The road construction team repairs a railway, repairing (1/8) every day, how many days can it be completed.
修路队修一条铁路，每天修(1/8)，多少天可修完．
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">1 / (1/8)</gadget>
<output>8</output>

<result>8</result>