conversations.from: human
conversations.value: Provide a step by step solution for the following math problem: Yanna bought 60 apples. She gave eighteen apples to Zenny. She gave six more apples to Andrea and kept the rest. How many apples did she keep?
conversations.from: assistant
conversations.value: After giving 18 apples to Zenny, Yanna remained with 60 - 18 = 42 apples.
  Since she also gave Andrea 6 apples, Yanna remained with 42 - 6 = 36 apples
  Therefore, Yanna kept 36 apples.