conversations.from: human
conversations.value: Cho hiked 14 kilometers per hour for 8 hours. Chloe hiked 9 kilometers per hour and stopped after 5 hours. How many kilometers farther did Cho hike?
conversations.from: assistant
conversations.value: Cho = 14 * 8 = 112 km
  Chloe = 9 * 5 = 45 km
  112 - 45 = 67 km
  Cho hiked 67 kilometers farther than Chloe.