How many days will it take for an engineering team to complete a road (1/6) in 3 days?
某工程队3天修完一条公路的(1/6)，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>