prompt: Carter grew 9 plants with 3 seed packets. How many more seed packets does Carter need to have a total of 12 plants in his backyard?
messages.content: Carter grew 9 plants with 3 seed packets. How many more seed packets does Carter need to have a total of 12 plants in his backyard?
messages.role: user
messages.content: If he grows 9 plants with 3 seed packets, he grows 9/3=<<9/3=3>>3 plants with 1 seed packet.
  Since 1 seed packet grows 3 plants, he'll need 1 more to make the plants 12.
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messages.role: assistant