Programm to evaluate expression

Programm to evaluate expression:-

#include<stdio.h>

#include<conio.h>

void main()

{

int a,b,c;

float k;

clrscr();

printf("enter the value of a = ");

scanf("%d",&a);

printf("enter the value of b = ");

scanf("%d",&b);

printf("enter the value of c = ");

scanf("%d",&c);

k=((a*b)+c)*((2.5*a)+b);

printf("value of k is = %f ",k);

getch();

}

Output:-