road is 560 kilometers long. After 24 days of repair, there are 344 kilometers left. How many kilometers are repaired per day on average?
一条公路长560千米，修了24天后，还剩344千米，平均每天修多少千米？
<gadget id="calculator">560 - 344</gadget>
<output>216</output>

<gadget id="calculator">216 / 24</gadget>
<output>9</output>

<result>9</result>