Calculator

import java.util.Scanner;
public class Math {
    int Final = 0;

    public int doMath(int number1, String opreator, int number2) {
        switch (opreator) {
            case "+":
                Final = number1 + number2;
                break;
            case "-":
                Final = number1 - number2;
                break;
            case "*":
                Final = number1 * number2;
                break;
            case "/":
                Final = number1 / number2;
                break;
            default:
                System.out.println("Error: had to do with the possible opreator");
        }
        return Final;
    }

    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        Math math = new Math();
        System.out.println("Enter your first number: ");
        int FirstNumber = scan.nextInt();
        System.out.println("Enter an opreator: ");
        String opreator = scan.next();
        System.out.println("Enter your second number: ");
        int SecondNumber = scan.nextInt();
        math.doMath(FirstNumber, opreator, SecondNumber);
        System.out.println("Answer: " + math.Final);
        scan.close();
    }
}