The computer company originally planned to produce 400 computers in 20 days, but actually produced 5 more computers per day than the original plan. How many days did it actually take to complete the task?
电脑公司原计划20天生产电脑400台，实际每天比原计划多生产5台，实际用多少天就完成了任务？
<gadget id="calculator">400 / 20</gadget>
<output>20</output>

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

<gadget id="calculator">400 / 25</gadget>
<output>16</output>

<result>16</result>