为什么x等于4怎么算的啊？

public class HelloWorld {

    public static void main(String[] args) {

int m = 5;

int n = 7;

int  x = ( m * 8 / ( n + 2 ) ) % m ;

System.out.println("m:" + m);

System.out.println("n:" + n);

System.out.println("x:" + x);

}

}