conversations.from: human
conversations.value: Solve the math problem: At a pool party, there are 4 pizzas cut into 12 slices each.  If the guests eat 39 slices, how many slices are left?
conversations.from: assistant
conversations.value: There’s a total of 4 x 12 = 48 slices.
  After the guests eat, there are 48 - 39 = 9 pieces.