$504166\mathrm{.}3484722.$qx$3$zqy$7$

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Integers mathGrade, musicGrade, readingGrade, and numGrades are read from input. Compute the average grade using floating$-$

point division, and assign the result to averageGrade.

Ex: If the input is $5198100,3,$ then the output is:

$83\mathrm{.}0$

import java.util.Scanner;

public class SubjectGrade $\{$

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

Scanner scnr $=$ new Scanner$($

System.in$)$;

int mathGrade;

int musicGrade;

int readingGrade;

int numGrades;

double averageGrade;

mathGrade $=$ scnr$.$ nextInt$()$;

musicGrade $=$ scnr $.$ nextInt $()$ ;

readingGrade $=$ scnr$.$ nextInt$()$;

numGrades $=$ scnr$.$ nextInt $()$ ;