conversations.from: human
conversations.value: John decides to buy utensils.  They come in 30 packs with an equal number of knives, forks, and spoons.  How many packs does he need to buy if he wants 50 spoons?
  Solve it.
conversations.from: assistant
conversations.value: Each pack contains 30/3=10 spoons
  So he needs to buy 50/10=5 packs