conversations.from: human
conversations.value: On Tuesday, a fruit vendor sold 2.5 dozen lemons and 5 dozens avocados. What is the total number of fruits that the fruit vendor sold?
  Give me a solution to this problem
conversations.from: assistant
conversations.value: Since 1 dozen is equal to 12, then the vendor sold 2.5 x 12 = 30 lemons.
  While he sold 5 x 12 = 60 avocados.
  So, the fruit vendor sold a total of 30 + 60 = 90 fruits.