conversations.from: human
conversations.value: For every one dozen flowers bought, a customer gets 2 free flowers. If Maria wants to buy 3 dozens flowers, how many pieces of flowers will she have in all?
  Work out the solution step by step.
conversations.from: assistant
conversations.value: Maria has 3 x 2 = 6 free flowers from buying 3 dozens flowers.
  Since each dozen is equal to 12, then Maria bought 3 x 12 = 36 flowers.
  Hence, she has a total of 36 + 6 = 42 flowers.