conversations.from: human
conversations.value: Explain how to solve this math problem: Merry had 50 boxes of apples on Saturday and 25 boxes on Sunday. There were 10 apples in each box. If she sold a total of 720 apples on Saturday and Sunday, how many boxes of apples are left?
conversations.from: assistant
conversations.value: Merry had a total of 50 + 25 = 75 boxes of apples.
  These 75 boxes is equal to 75 x 10 = 750 apples.
  There were 750 - 720 = 30 apples left.
  Thus, 30/10 = 3 boxes of apples are left.