conversations.from: human
conversations.value: Randy had some money. Smith gave him another $200. Randy then gave Sally $1,200 and kept the rest. If Randy has $2000 left, how much money, in dollars, did Randy have at first?
conversations.from: assistant
conversations.value: After Smith gave him $200, Randy had 2000+1200=3200 dollars.
  Randy had 3200-200=3000 dollars at first.