conversations.from: human
conversations.value: Can you walk me through the solution of: Lee mows one lawn and charges $33. Last week he mowed 16 lawns and three customers each gave him a $10 tip. How many dollars did Lee earn mowing lawns last week?
conversations.from: assistant
conversations.value: 33 * 16 = $528
  3 * 10 = $30
  528 + 30 = $558
  Lee earned $558 mowing lawns last week.