fake_number.rb

class FakeNumber
  def initialize(value)
    @value = value
  end

  def +(other)
    @value + other.to_i
  end

  def to_i
    @value
  end

  def to_s
    @value.to_s
  end
end

num1 = FakeNumber.new(5)
num2 = FakeNumber.new(10)
puts num1 + num2  # Outputs: 15