C Program to find the simple interest

#include<stdio.h>

int main() 
{
   int amount, rate, time, si;

   printf("\nEnter Principal Amount : ");
   scanf("%d", &amount);

   printf("\nEnter Rate of Interest : ");
   scanf("%d", &rate);

   printf("\nEnter Period of Time   : ");
   scanf("%d", &time);

   si = (amount * rate * time) / 100;
   printf("\nSimple Interest : %d", si);

   return(0);
}