A rope is 36 meters long, cut off (3/4), how many meters to cut off.
一根绳子长36米，剪去(3/4)，剪去多少米．
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">36 * (3/4)</gadget>
<output>27</output>

<result>27</result>