(1/6) of a section of road was repaired in 5 days, how many days will it take to complete the repair.
一段公路，5天修了这条路的(1/6)，共用多少天可以修完．
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">(1/6) / 5</gadget>
<output>1/30 = around 0.033333</output>

<gadget id="calculator">1 / (1/30)</gadget>
<output>30</output>

<result>30</result>