A rope is 32 meters long, if (3/4) of it is used up, how many meters are left?
一根绳子长32米，用去它的(3/4)，还剩多少米？
<gadget id="calculator">3 / 4</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">32 * (1/4)</gadget>
<output>8</output>

<result>8</result>