A steel pipe is 24 meters long, and 25% remains after cutting off a part. How many meters are cut off?
一根钢管长24米，截去一部分后还剩下25%，截去了多少米？
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">24 * (3/4)</gadget>
<output>18</output>

<result>18</result>