A wire, after using up the full length (3/5), there is still 24 meters left, how long is this wire originally?
一根电线，用去了全长的(3/5)后，还剩下24米，这根电线原来有多长？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 - (3/5)</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">24 / (2/5)</gadget>
<output>60</output>

<result>60</result>