conversations.from: human
conversations.value: Violet has 3 more than twice as many nails as Tickletoe. If Violet has 27 nails, how many nails do they have together?
conversations.from: assistant
conversations.value: Violet has 27-3 = 24 nails, twice the number of nails that Tickletoe has.
  Therefore, Tickletoe has 1/2*24 = 12 nails.
  Together, Tickletoe and Violet have 12+27 = 39 nails