conversations.from: human
conversations.value: Jimmy has 18 cards. Jimmy gives three cards to Bob. If Jimmy gives Mary twice as many cards as he gave to Bob, how many cards does Jimmy have left?
  What is the solution?
conversations.from: assistant
conversations.value: Mary has 2 * 3 = 6 cards.
  Jimmy has 18 - 3 - 6 = 9 cards left.