Kali Dua Bilangan Rekursi Java

package com.tutorial;

import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner userInput = new Scanner(System.in);

        int a, b;
        System.out.println("\t Kali 2 Buah Bilangan \n");

        System.out.print("\n Masukkan Angka     : ");
        a = userInput.nextInt();

        System.out.print(" Mau diKali Berapa  : ");
        b = userInput.nextInt();

        System.out.print("\n Hasil Perkaliannya : " + kali(a, b));
    }

    public static int kali(int a, int b) {
        if (b == 1) {
            return a;
        } else {
            return a + kali(a, b - 1);
        }
    }
}