conversations.from: human
conversations.value: Donald went to a computer store. He saw a 15% reduction in the price of the laptop he wants to buy. If the laptop originally costs $800, how much will he pay for the laptop?
  Give me a solution to this problem
conversations.from: assistant
conversations.value: There was $800 x 15/100 = $120.
  Thus, Donald will pay $800 - $120 = $680.