conversations.from: human
conversations.value: In a school activity, fifty-four students are to be separated into six groups of equal size. If the activity requires 12 groups, how many more groups are needed to form?
  Solve it.
conversations.from: assistant
conversations.value: There are 54/6 = 9 groups formed from the 54 students.
  So, 12 - 9 = 3 groups more are needed to form.