Write a program to find the gross salary

#include<stdio.h>
#include<conio.h>
int main()
{
float hra,ta,gs;
int b;
printf("enter basic pay");
scanf("%d",&b);
hra=(b*10)/100;
ta=(b*5)/100;
gs=b+ta+hra;
printf("\ngorss salary is %f",gs);
}