conversations.from: human
conversations.value: Find a solution for this math problem: Chad bought 6 packages of cat food and 2 packages of dog food. Each package of cat food contained 9 cans, and each package of dog food contained 3 cans. How many more cans of cat food than dog food did Chad buy?
conversations.from: assistant
conversations.value: Chad's cat food total was 6 packages * 9 cans = 54 cans of cat food.
  Chad's dog food total was 2 packages * 3 cans = 6 cans of dog food.
  Chad had 54 cans of cat food - 6 cans of dog food = 48 more cans of cat food.