A rope is 48 meters long, if 75% of the total length is cut off, how many meters are left?
一条绳子长48米，剪去全长的75%，还剩多少米．
<gadget id="calculator">75 / 100</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 - (3/4)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">48 * (1/4)</gadget>
<output>12</output>

<result>12</result>