Help me in solving CLB026 problem

help
,
1

My issue

on line number 8

My code

// Complete the code by updating the uderscores(__)
#include <stdio.h>

int main() {

    double pi = 3.14;
    double radius = 8.9;
    ______ area = pi * radius * radius;

    printf("The Area of the given Circle is __", area);

}

Learning course: Programming and Problem solving using C
Problem Link: https://www.codechef.com/learn/course/ciet-programming-c/CIETPC05/problems/CLB026