If a 10-meter-long wire is used up to 6 meters, how much of the total length is used up (expressed in fractions).
一段10米长的电线，用去了6米，则用去了全长的多少(用分数表示)．
<gadget id="calculator">6 / 10</gadget>
<output>3/5 = around 0.6</output>

<result>3/5 = around 0.6</result>