To build a small road, the road was built in 3 days (1/4), so how many days will it take to complete the road.
修一条小路，3天修了这条路的(1/4)，照这样计算修完这条路需多少天．
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/4) / 3</gadget>
<output>1/12 = around 0.083333</output>

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

<result>12</result>