conversations.from: human
conversations.value: Can you explain how to solve this math problem: Tyler has 21 CDs. He gives away a third of his CDs to his friend. Then he goes to the music store and buys 8 brand new CDs. How many CDs does Tyler have now?
conversations.from: assistant
conversations.value: Tyler gives away 21 / 3 = 7 CDs
  After giving away a third of his CDs, Tyler has 21 - 7 = 14 CDs
  After buying new CDs, Tyler has 14 + 8 = 22 CDs