To build a road, how many days will it take to build this road every day (1/8).
修一条路，每天修这条路的(1/8)，多少天可以修完．
<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>