conversations.from: human
conversations.value: Please show me the solution for: Gervais drove an average of 315 miles for 3 days. Henri drove a total of 1,250 miles over one week. How many miles farther did Henri drive?
conversations.from: assistant
conversations.value: Gervais drove 3*315 = 945 miles
  1250 - 945 = 305 miles
  Henri drove 305 miles farther.