conversations.from: human
conversations.value: Codger is a three-footed sloth.  He has a challenging time buying shoes because the stores only sell the shoes in pairs. If he already owns the 3-piece set of shoes he is wearing, how many pairs of shoes does he need to buy to have 5 complete 3-piece sets of shoes?
  Give me a solution to this problem
conversations.from: assistant
conversations.value: To have five 3-piece sets, he needs to have a total of 5*3=15 shoes,
  If he already owns three shoes, then he needs to buy 15-3=12 additional shoes.
  Since each pair of shoes includes two shoes, he needs to buy a total of 12/2=6 pairs of shoes.