#include <stdio.h>

int main(void) {
  int x = 3, 
    y = -4;

char ch_eq = '=',
     ch_plus = '+',
     ch_minus = '-', 
     ch_div = '/', 
     ch_mul = '*';

double res = -0.75;  
printf("Result of %c for %d %d = %5.2f", ch_div, x, y, res);
	return 0;
}