A wire is cut off (2/5), and the cut off is 12 meters shorter than the rest. How many meters is this wire?
一根铁丝剪去(2/5)，剪去的比剩下的短12米，原来这根铁丝长多少米？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">12 / (1/5)</gadget>
<output>60</output>

<result>60</result>