Area of circle program in c

#include<stdio.h>
#include<conio.h>
main()
{
float r,a;
clrscr();
printf("\n enter radius");
scanf("%f",&r);
a=3.14*r*r;
printf("Area of circle %f",a)
printf("Area of circle %.2f",a)
getch();
}

OUTPUT:

enter radius 8
Area of circle 200.9600
Area of circle 200.96