conversations.from: human
conversations.value: A driver travels 30 miles per hour for 3 hours and 25 miles per hour for 4 hours to deliver goods to a town every day from Monday to Saturday. How many miles does the driver travel in a week?
  Give me a solution to this problem
conversations.from: assistant
conversations.value: The driver travels (3 hours * 30 mph) + (25 mph * 4 hours) = 190 miles per day
  From Monday to Saturday he travels in total 190 miles/day * 6 days = 1,140 miles in a week