The engineering team planned to build a road with a length of 560 kilometers. After 24 days of repairing, there were still 344 kilometers left. How many miles per day on average?
工程队计划修一条长560千米的路，修了24天后，还剩下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>