Help me in solving VADJ8V2 problem

help
,
1

My issue

My code

class Codechef
{
	public static void main (String[] args)
	{
		// your code goes here
		int s = 14;
        int area = s * s ;
        int cost = ____ * _ ;
        System.out.println(area);
        System.out.print(___ + "$");
	}
}

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