Julie had $500. She spent 20% of it on clothes and then 25% of the remaining money on CDs. How much money did Julie have left?
Julie spend $500 * 0.2 = $
<gadget id="calculator">500*0.2</gadget>
<output>100</output>
100 for clothes.
Julie then had $500 - $100 = $
<gadget id="calculator">500-100</gadget>
<output>400</output>
400 left.
She spend $400 * 0.25 = $
<gadget id="calculator">400*0.25</gadget>
<output>100</output>
100 on CDs.
Julie had $400 - $100 = $
<gadget id="calculator">400-100</gadget>
<output>300</output>
300 left.

<result>300</result>