conversations.from: human
conversations.value: Tamika drove for 8 hours at an average speed of 45 miles per hour. Logan drove for 5 hours at 55 miles an hour. How many miles farther did Tamika drive?
conversations.from: assistant
conversations.value: Tamika drove 8 hours * 45 mph = 360 miles
  Logan drove 5 hours * 55 mph = 275 miles
  360 - 275 = 85 miles
  Tamika drove 85 miles farther.