A wire takes 5 meters, which is equivalent to (1/4) of the full length. How long is this wire in meters?
一根电线用去5米，相当于全长的(1/4)，这根电线长多少米？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">5 / (1/4)</gadget>
<output>20</output>

<result>20</result>