After a rope is used up (3/4), there are 24 meters left, how many meters is this rope originally?
一根绳子用去(3/4)后，还剩24米，这根绳子原来有多少米．
<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">24 / (1/4)</gadget>
<output>96</output>

<result>96</result>