Solution Review: Implement a Calculator Class

class Calculator {
  
  // Class fields
  private double _num1;
  private double _num2;
  // Default Constructor
  public Calculator(double num1, double num2) {
    this._num1 = num1;
    this._num2 = num2;
  }
  // Addition Method
  public double Add() {
    return this._num1 + this._num2;
  }
  // Subtraction Method
  public double Subtract() {
    return this._num2 - this._num1;
  }
  // Multiplication Method
  public double Multiply() {
    return this._num1 * this._num2;
  }
  // Divison Method
  public double Divide() {
    return this._num2 / this._num1;
  }
  
}
class Demo {
  public static void Main(string[] args) {
    Calculator calc = new Calculator(10, 94);
    Console.WriteLine("Addition:" + calc.Add());
    Console.WriteLine("Subtraction:" + calc.Subtract());
    Console.WriteLine("Multiplication:" + calc.Multiply());
    Console.WriteLine("Division:" + calc.Divide());
  }
}