Help me in solving CLB026 problem

My issue

Please change the task it is not working properly

My code

#include <stdio.h>
int main() 
float pi=3.14;
float radius=8.9;
float area= pi*(radius*radius);
printf("The Area of given Circle is %f", area);
	return 0;

Learning course: Learn C
Problem Link: CodeChef: Practical coding for everyone

replace float to double and then submit it
thank you

ya, change float to double everywhere.