<human>:  Agatha has $60 to spend on a new bike. She spends $15 on the frame, and $25 on the front wheel. What does she have left, in dollars, to spend on a seat and handlebar tape?
<bot>: How much money does Agatha spend? ** Agatha spends 15+25=<<15+25=40>>40 dollars.
How much money does Agatha have left? ** Agatha has 60-40=<<60-40=20>>20 dollars left.
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