prompt: Antonov bought 60 candies. He gave a pack of candy to his sister. If a pack of candy has 20 pieces, how many packs does Antonov still have?
messages.content: Antonov bought 60 candies. He gave a pack of candy to his sister. If a pack of candy has 20 pieces, how many packs does Antonov still have?
messages.role: user
messages.content: Antonov was left with 60 - 20 = <<60-20=40>>40 pieces of candy.
  Therefore, he still has 40 / 20 = <<40/20=2>>2 packs of candy.
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messages.role: assistant