implement a reverse polish calculator. Write code in Java

$3.$ Implement code to generate reverse Polish expression from input and the computation result, up to the $5$th decimal place.

$$ Do NOT print trailing $0$s after the decimal point.

$$ If there is no trailing $0$s after the decimal point, do not print the decimal point. Only print the integer part.

Code input and output:

$$ Your code should read from standard input, not from file.

$$ Input will include one infix expression on each line.

$$ Your output should include $3$ lines per each input:

$1$st line: the infix expression

$2$nd line: the reverse polish expression, one space character between operators and operands

$3$rd line: the value of the expression per specification above