Write a program that take total number of student of a class, and monthly per student fee and then calculates the whole class annual fee

#include<stdio.h>

#include<conio.h>

void main()

{

clrscr();

long int tot_student,ps_fee,annual_fee,month_fee;

printf("Enter total number of student ::");

scanf("%ld",&tot_student);

printf("Enter per student annual fees ::");

scanf("%ld",&ps_fee);

month_fee=tot_student*ps_fee;

annual_fee=month_fee*12;

printf(""Whole class annual fee is %ld",annual_fee);

getch();

}