Program to find the simple interest.

			#include<stdio.h>
			#include<conio.h>
			void main()
			{
			int p,r,t,si;
			clrscr();
			printf("enter principle, Rate of interest & time to find simple interest: ");
			scanf("%d%d%d",&p,&r,&t);
			si=(p*r*t)/100;
			printf("simple intrest= %d",si);
			getch();
			}
Output:
enter principle, rate of interest & time to find simple interest: 500
5
2
simple interest=50