Write a function to calculate the product of 2 numbers.
import java.util.*;
public class Functions {
public static int calculateProduct(int a, int b) {
return a * b;
}
public static void main(String args[]) {
Scanner sc = new Scanner(System.in);
int a = sc.nextInt();
int b = sc.nextInt();
System.out.println(calculateProduct(a, b));
}
}