road is 750 meters long. After 6 days of repairing, there are still 270 meters left to be repaired. How many meters are repaired per day on average?
一条路长750米，修路工人修了6天，还有270米没有修，平均每天修多少米？
<gadget id="calculator">750 - 270</gadget>
<output>480</output>

<gadget id="calculator">480 / 6</gadget>
<output>80</output>

<result>80</result>