###Human: Léa bought one book for $16, three binders for $2 and six notebooks for $1. Calculate the total cost of her purchases., ### Assistant: 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 
 So the answer is :  28