To build a road, a road repair team completed the whole process (1/15) in 3 days, how many days will it take for this road repair team to complete the road.
修一条路，某修路队3天修了全程的(1/15)，那么这个修路队修完这条路共需多少天．
<gadget id="calculator">1 / 15</gadget>
<output>1/15 = around 0.066667</output>

<gadget id="calculator">(1/15) / 3</gadget>
<output>1/45 = around 0.022222</output>

<gadget id="calculator">1 / (1/45)</gadget>
<output>45</output>

<result>45</result>