Li Ming completes a task in 3 days (1/5), according to this calculation, how many days will it take to complete all the tasks? What is the column
李明3天完成一项工作的(1/5)，照这样计算，完成全部工作要多少天？列式是多少
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">3 / (1/5)</gadget>
<output>15</output>

<result>15</result>