3(vii)

#include <stdio.h>
#include<math.h>
int main()
{
    float a,b;
    char c;
    printf("Enter first number: ");
    scanf("%f",&a);
    printf("Enter the operator: ");
    scanf(" %c",&c);
    printf("Enter second number: ");
    scanf("%f",&b);
    if(c=='+')
    printf("%.3f + %.3f = %.3f\n",a,b, a+b);
    else if(c=='-')
    printf("%.3f - %.3f = %.3f\n",a, b, a-b);
    else if(c=='*')
    printf("%.3f * %.3f = %.3f\n",a, b, a*b);
    else if(c=='/')
    printf("%.3f / %.3f = %.3f\n",a, b, a/b);
    else if(c=='%')
    printf("%.3f %% %.3f = %.3f\n",a, b, fmod(a,b));
    return 0;
}