input: Write a python function to multiply two numbers using a class.
  assert multiply_using_class(8, 11) == 88
  assert multiply_using_class(5, 5) == 25
  assert multiply_using_class(0, 10) == 0
output: def multiply_using_class(a, b):
      class Multiplier:
          def __init__(self, x, y):
              self.x = x
              self.y = y
          
          def multiply(self):
              return self.x * self.y
      
      multiplier = Multiplier(a, b)
      return multiplier.multiply()