Uncle workers want to build a road with a length of 85 meters. It has been repaired for 5 days, and there are 13.5 meters left. How many meters are repaired per day on average?
工人叔叔要修一条长85米的公路，已经修了5天，还剩13.5米，平均每天修了多少米？
<gadget id="calculator">85 - 13.5</gadget>
<output>71.5</output>

<gadget id="calculator">71.5 / 5</gadget>
<output>14.3</output>

<result>14.3</result>