Agatha has some money to spend on a new bike. She spends $15 on the frame, and $25 on the front wheel. If she has $20 left to spend on a seat and handlebar tape, how much money, in dollars, did she have at first?
Agatha spends 15+25=
<gadget id="calculator">15+25</gadget>
<output>40</output>
40 dollars.
Agatha had 40+20=
<gadget id="calculator">40+20</gadget>
<output>60</output>
60 dollars at first.

<result>60</result>