conversations.from: human
conversations.value: Mary has 30 sheep. She gets 1 kg of milk from half of them and 2 kg of milk from the other half every day. How much milk does she collect every day?
  Solve this problem.
conversations.from: assistant
conversations.value: Half of the sheep is 30 / 2 = 15.
  Mary gets (15 * 1) + (15 * 2) = 45 kg of milk every day.