conversations.from: human
conversations.value: I'm completely lost with this math problem: Léa bought one book for $16, three binders for $2 and six notebooks for $1. Calculate the total cost of her purchases.
  Can you give me a hand?
conversations.from: assistant
conversations.value: The binders cost 3 binders * $2/binder = $6
  The notebooks cost 6 notebooks * $1/notebook = $6
  The amount of Lea’s purchases is: $16 + $6 + $6 = $28