To build a small road, the road was built in 3 days (1/6), so how many days will it take to complete the road.
修一条小路，3天修了这条路的(1/6)，照这样计算修完这条路需多少天．
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">(1/6) / 3</gadget>
<output>1/18 = around 0.055556</output>

<gadget id="calculator">1 / (1/18)</gadget>
<output>18</output>

<result>18</result>