Tabung

import  java.util.Scanner;
public class Tabung
{
    public static void main(String[] args) {
    Scanner input = new Scanner (System.in);
    //Noviyarti H1051191093
    double phi = 3.14;
    int r;
    int t ;
    double luas;


    System.out.print ("Jari-jari = ");
    r = input.nextInt();
    System.out.print ("Tinggi Tabung = ");
    t = input.nextInt();
    luas = phi * r * t;
    System.out.println("Luas Tabung = "+luas);

    }
}