conversations.from: human
conversations.value: Jim ran 16 miles in 2 hours while Frank ran 20 miles in 2 hours. How many more miles did Frank run than Jim in an hour?
  Give me a clear explanation.
conversations.from: assistant
conversations.value: Jim ran 16 / 2 = 8 miles for an hour.
  Frank ran 20 / 2 = 10 miles for an hour.
  Frank ran 10 - 8 = 2 more miles than Jim in an hour.