Rachel makes $12.00 as a waitress in a coffee shop.  In one hour, she serves 20 different people and they all leave her a $1.25 tip.  How much money did she make in that hour?
She served 20 people and they all tipped her $1.25 so she made 20*1.25 = $
<gadget id="calculator">20*1.25</gadget>
<output>25</output>
25.00 in tips.
She makes $12.00 an hour and she made $25.00 in tips so she made 12+25 = $
<gadget id="calculator">12+25</gadget>
<output>37</output>
37.00 in one hour.

<result>37</result>