There are two bundles of wires, one bundle is 100 meters long and shorter (1/5) than the other bundle, how many meters is the length of the other bundle?
有两捆电线，一捆长100米，比另一捆短(1/5)，另一捆电线长多少米？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">100 / (4/5)</gadget>
<output>125</output>

<result>125</result>