conversations.from: human
conversations.value: Rachel weighs 75 pounds, 6 pounds less than Jimmy and 15 pounds more than Adam. What is the average weight of the three people, in pounds?
conversations.from: assistant
conversations.value: Jimmy weighs 75+6 = 81 pounds.
  Adam's weight is 75-15= 60 pounds.
  In total, the three weigh 75 + 81 + 60 = 216 pounds.
  The average weight of the three is 216/3 = 72 pounds