The road repair team originally planned to repair 16.8 kilometers of road every day, and the repair was completed in 20 days. The actual repair was 2.8 kilometers less than the original plan. How many days did it actually take?
修路队修一段路原计划每天修16.8千米，20天修完，实际每天比原计划少修2.8千米，实际修了多少天？
<gadget id="calculator">16.8 - 2.8</gadget>
<output>14</output>

<gadget id="calculator">20 / 14</gadget>
<output>10/7 = around 1.428571</output>

<gadget id="calculator">16.8 * (10/7)</gadget>
<output>24</output>

<result>24</result>