An engineering team repaired a road and completed 20% of the total length in 5 days. According to this calculation, how many days will it take to complete the task?
某工程队修一条路，5天修完了全长的20%，照这样计算，完成任务还需要多少天？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 / (1/5)</gadget>
<output>5</output>

<gadget id="calculator">5 * 5</gadget>
<output>25</output>

<gadget id="calculator">25 - 5</gadget>
<output>20</output>

<result>20</result>