conversations.from: human
conversations.value: Explain how to solve this math problem: Mattison is 60 inches tall. His two-story house is 7 times as high as he is. The floor to the ceiling on the first floor is thrice as high as he is. How high is the roof from the second floor's floor in inches?
conversations.from: assistant
conversations.value: Mattison's two-story house is 60 x 7 = 420 inches high.
  The floor to the ceiling on the first floor is 60 x 3 = 180 inches high.
  Hence, the roof is 420 - 180 = 240 inches high from the second floor's floor.