conversations.from: human
conversations.value: Rich ran a 24-mile marathon in 3 hours and 36 minutes. On average, how long, in minutes, did it take Rich to run a mile during the race?
  Solve this problem.
conversations.from: assistant
conversations.value: 3 hours is 3*60=180 minutes.
  Thus 3 hours and 36 minutes is 180+36=216 minutes.
  Thus, he ran the 24 miles in 216 minutes, and each mile took 216/24=9 minutes for Rich to run.