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class Pi
  def initialize hoge, hoge2
    @a = 352.0 + hoge + hoge2
    @@c = 3
  end
  def getA
    @a
  end
end
  
class Pi2 < Pi
  def initialize hoge, hoge2
    super
    @b = 110.0 + @@c
  end
  def calc
    getA / @b
  end
end
  
puts '335/113 = ' + Pi2.new(1, 2).calc