The surface area of a sphere is given by

$.$ Declare double variables sphereRadius and sphereArea. Then, read sphereRadius from input and compute sphereArea using the formula.

Ex: If the input is $3\mathrm{.}70,$ then the output is:

$172\mathrm{.}03$

Note:

Use the constant Math.PI for

$.$

can be computed using $*.$

import java.util.Scanner;

public class Sphere $\{$

public static void main$($String$[]$ args$)\{$

Scanner scnr $=$ new Scanner$($System$.$in$)$;

$/*$ Your code goes here $*/$

System.out.printf$("\%\mathrm{.}2$f

$",$ sphereArea$)$;

$\}$

$\}$