fix my code to pass all the tests:

import java.util.Random;

$//$ Testing Algebra Expressions

public class TestAlgebra $\{$

public static void main$($String$[]$ args$)\{$

$//$ Build tree for expression: $((16\mathrm{.}0/$ X$0)-(7\mathrm{.}0*$ X$1))$

Node tree$1=$ new Binop$($

new Binop$($new Const$(16\mathrm{.}0),$ new Variable$(0),\text{'}/\text{'}),$

new Binop$($new Const$(7\mathrm{.}0),$ new Variable$(1),\text{'}*\text{'}),$

$\text{'}-\text{'}$

$)$;

$//$ Build tree for expression: $(($X$0+$ X$1)/(12\mathrm{.}0/12\mathrm{.}0))$

Node tree$2=$ new Binop$($

new Binop$($new Variable$(0),$ new Variable$(1),\text{'}+\text{'}),$

new Binop$($new Const$(12\mathrm{.}0),$ new Const$(12\mathrm{.}0),\text{'}/\text{'}),$

$\text{'}/\text{'}$

$)$;

Node tree$3=$ new Binop$($

$($tree$1),($tree$2),\text{'}/\text{'}$

$)$;

$//$ Test values: $\{1\mathrm{.}0,2\mathrm{.}0,3\mathrm{.}0\}$

double$[]$ values$1=\{1\mathrm{.}0,2\mathrm{.}0,3\mathrm{.}0\}$;

$//$ Test values: $\{4\mathrm{.}0,5\mathrm{.}0,6\mathrm{.}0\}$

double$[]$ values$2=\{4\mathrm{.}0,5\mathrm{.}0,6\mathrm{.}0\}$;

$//$ Evaluate and print results for tree$1$

System.out.printf$("((16\mathrm{.}0/$ X$0)-(7\mathrm{.}0*$ X$1))=\%\mathrm{.}1$f$\%$n$",$ tree$1.$eval$($values$1))$; $//$ Expected output: $2\mathrm{.}0$

System.out.printf$("((16\mathrm{.}0/$ X$0)-(7\mathrm{.}0*$ X$1))=\%\mathrm{.}1$f$\%$n$",$ tree$1.$eval$($values$2))$; $//$ Expected output: $-31\mathrm{.}0$

$//$ Evaluate and print results for tree$2$

System.out.printf$("(($X$0+$ X$1)/(12\mathrm{.}0/12\mathrm{.}0))=\%\mathrm{.}1$f$\%$n$",$ tree$2.$eval$($values$1))$; $//$ Expected output: $3\mathrm{.}0$

System.out.printf$("(($X$0+$ X$1)/(12\mathrm{.}0/12\mathrm{.}0))=\%\mathrm{.}1$f$\%$n$",$ tree$2.$eval$($values$2))$; $//$ Expected output: $9\mathrm{.}0$

$//$ Evaluate and print results for tree$3$

System.out.printf$("(((16\mathrm{.}0/$ X$0)-(7\mathrm{.}0*$ X$1))/(($X$0+$ X$1)/(12\mathrm{.}0/12\mathrm{.}0)))=\%\mathrm{.}1$f$\%$n$",$ tree$3.$eval$($values$1))$;

System.out.printf$("(((16\mathrm{.}0/$ X$0)-(7\mathrm{.}0*$ X$1))/(($X$0+$ X$1)/(12\mathrm{.}0/12\mathrm{.}0)))=\%\mathrm{.}1$f$\%$n$",$ tree$3.$eval$($values$2))$;

$\}$

$\}$Test Algebra, $2$ Trees $(4$ lines$)$

$58$

$59$

$60((16\mathrm{.}0/$ X$0)-(7\mathrm{.}0*$ X$1))=2\mathrm{.}0$

$61((16\mathrm{.}0/$ X$0)-(7\mathrm{.}0*$ X$1))=-31\mathrm{.}0$

$62(($X$0+$ X$1)/(12\mathrm{.}0/12\mathrm{.}0))=3\mathrm{.}0$

$63(($X$0+$ X$1)/(12\mathrm{.}0/12\mathrm{.}0))=9\mathrm{.}0$

$64(((16\mathrm{.}0/$ X$0)-(7\mathrm{.}0*$ X$1))/(($X$0+$ X$1)/(12\mathrm{.}0/12\mathrm{.}0)))=0\mathrm{.}7$

$65(((16\mathrm{.}0/$ X$0)-(7\mathrm{.}0*$ X$1))/(($X$0+$ X$1)/(12\mathrm{.}0/12\mathrm{.}0)))=-3\mathrm{.}4$

$66$

$67$ failed $-$ Test Algebra, $2$ Trees $(4$ lines$)$

$68$::error::The output for test Test Algebra, $2$ Trees $(4$ lines$)$ did not match$\%0$AExpected:$\%0$A$[(][(]([12]?[0-9]([.]0)?|$X$1|$X$2|$X$0)([/*+]|-)([12]?[0-9]([.]0)?|$X$1|$X$2|$X$0)[)]([/*+]|-)[(]([12]?[0-9]([.]0)?|$X$1|$X$2|$X$0)([/*+]|-)([12]?[0-9]([.]0)?|$X$1|$X$2|$X$0)[)][)]=-?[0-9]+[.][0-9]+*(\backslash$r$|$

$|\backslash$r

$)+(.*(\backslash$r$|$

$|\backslash$r

$))+[(][(]([12]?[0-9]([.]0)?|$X$1|$X$2|$X$0)([/*+]|-)([12]?[0-9]([.]0)?|$X$1|$X$2|$X$0)[)]([/*+]|-)[(]([12]?[0-9]([.]0)?|$X$1|$X$2|$X$0)([/*+]|-)([12]?[0-9]([.]0)?|$X$1|$X$2|$X$0)[)][)]=-?[0-9]+[.][0-9]+*(\backslash$r$|$

$|\backslash$r

$)+(.*(\backslash$r$|$

$|\backslash$r

$))+[(][(]([12]?[0-9]([.]0)?|$X$1|$X$2|$X$0)([/*+]|-)([12]?[0-9]([.]0)?|$X$1|$X$2|$X$0)[)]([/*+]|-)[(]([12]?[0-9]([.]0)?|$X$1|$X$2|$X$0)([/*+]|-)$

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