conversations.from: human
conversations.value: Find the answer to this math problem: Billy sells DVDs. He has 8 customers on Tuesday. His first 3 customers buy one DVD each.  His next 2 customers buy 2 DVDs each.  His last 3 customers don't buy any DVDs. How many DVDs did Billy sell on Tuesday?
conversations.from: assistant
conversations.value: His first 3 customers buy 3 * 1 = 3 DVDs.
  His next 2 buy 2 * 2 = 4 DVDs.
  He sells a total of 3 + 4 + 0 = 7 DVDs.