<human>:  Léa bought one book for $16, three binders for $2 and six notebooks for $1. Calculate the total cost of her purchases.
<bot>: How much do the binders cost? ** The binders cost 3 binders * $2/binder = $<<3*2=6>>6
How much do the notebooks cost? ** The notebooks cost 6 notebooks * $1/notebook = $<<6*1=6>>6
How much did Lea buy? ** The amount of Lea’s purchases is: $16 + $6 + $6 = $<<16+6+6=28>>28
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