// Prototype object for math operations
const MathOperations = {
  // Method to add two numbers
  add(x, y) {
    return x + y;
  },

  // Method to subtract two numbers
  subtract(x, y) {
    return x - y;
  }
};

// Specific object representing a number value
const NumberValue = {
  value: 0
};

// Delegate math operations to the MathOperations prototype methods
NumberValue.__proto__ = MathOperations;

// Test math operations
const number1 = Object.create(NumberValue);
number1.value = 10;

const number2 = Object.create(NumberValue);
number2.value = 5;

console.log(number1.add(5, 3)); // Output: 8
console.log(number2.subtract(10, 3)); // Output: 7