C :

#include <stdio.h>

int main()
{
	double num1,num2;
	
	scanf("%lf %lf",&num1,&num2);
	
	printf("%.0lf+%.0lf=%.0lf\n",num1,num2,num1 + num2);
	printf("%.0lf-%.0lf=%.0lf\n",num1,num2,num1 - num2);
	printf("%.0lf*%.0lf=%.0lf\n",num1,num2,num1 * num2);
	printf("%.0lf/%.0lf=%.2lf\n",num1,num2,num1 / num2);
	printf("%.0lf div %.0lf=%d\n",num1,num2,(int)num1 / (int)num2);
	printf("%.0lf mod %.0lf=%d\n",num1,num2,(int)num1 % (int)num2);
	return 0; 
}

C++ :

#include<cstdio>

using namespace std;
	
int main()
{
	int a,b;
	scanf("%d%d",&a,&b);
	printf("%d+%d=%d\n",a,b,a+b);
	printf("%d-%d=%d\n",a,b,a-b);
	printf("%d*%d=%d\n",a,b,a*b);
	printf("%d/%d=%.2lf\n",a,b,a/b*1.0);	
	printf("%d div %d=%d\n",a,b,a/b);
	printf("%d mod %d=%d\n",a,b,a%b);
	return 0;
}