conversations.from: human
conversations.value: I'm stuck on this math problem: Four kids can wash three whiteboards in 20 minutes. How long would it take, in minutes, for one kid to wash six whiteboards?
  Can you help?
conversations.from: assistant
conversations.value: One kid can wash three whiteboards in 20*4=80 minutes.
  One kid can wash six whiteboards in 80*(6/3)=160 minutes.