3.Program in C to Addition, Subtraction, Multiplication and Division of two Numbers.

#include <stdio.h>
 
int main()
{
 int first, second, add, subtract, multiply;
 float divide;
 
 printf("Enter two integers\n");
 scanf("%d%d", &first, &second);
 
 add = first + second;
 subtract = first - second;
 multiply = first * second;
 divide = first / (float)second;   //typecasting
 
 printf("Sum = %d\n", add);
 printf("Difference = %d\n", subtract);
 printf("Multiplication = %d\n", multiply);
 printf("Division = %.2f\n", divide);
 
 return 0;
}