package constructor;


public class MyMath {

{


public static void main(String[] args) {


long result1 = add(5L,3L);

long result2 = subtract(5L, 3L);

long result3 = multiply(5L, 3L);

double result4 = divide(5L, 3L);

}

}

static long add(long a, long b) {

long result = a + b;

return result;

}


static long subtract(long a, long b) {

return a - b;

}


static long multiply(long a, long b) {

return a * b;

}


static double divide(double a, double b) {

return a / b;

}



}


main에 빨간줄 쳐져있긴한데 왜 실행이 안되는건지 모르겟습미다