Calculate Simple Interest

 Calculate Simple Interest with following detail. p=1000, n=5 and  r=2.5

#include<stdio.h>

main()

{

      int n=5;

      float p=1000,r=2.5,si=0.0;

      si=p*n*r/100;

      printf("\nSimple Interest %.2f",si);

} 

      Output