After a picture album is sold at a 25% discount, the current price is 24 yuan, how much cheaper is it?
一本画册打七五折销售后，现价是24元，便宜了多少元？
<gadget id="calculator">75 / 100</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">24 / (3/4)</gadget>
<output>32</output>

<gadget id="calculator">32 - 24</gadget>
<output>8</output>

<result>8</result>