A rope is 24 meters long, if (3/8) of it is cut off, how many meters are left?
一根绳长24米，截去它的(3/8)，则还剩多少米．
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">1 - (3/8)</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">24 * (5/8)</gadget>
<output>15</output>

<result>15</result>