C Program To Calculate Simple Interest

Program:

#include<stdio.h>
int main()
{
 float p,r,t,si;
 printf("Enter principle\n");
 scanf("%f",&p);
 printf("Enter rate of interest \n");
 scanf("%f",&r); 
 printf("Enter time \n");
 scanf("%f",&t);
 si=(p*r*t)/100;
 printf("Simple Interest=%f",si);
}