The engineering team built a 270-kilometer road, which was planned to be completed in 15 days, but actually completed the task in only 9 days. How much more meters were actually repaired per day than planned?
工程队修一条270千米的公路，计划15天完成，实际只用了9天就完成了任务，实际每天比计划多修多少米？
<gadget id="calculator">270 / 9</gadget>
<output>30</output>

<gadget id="calculator">270 / 15</gadget>
<output>18</output>

<gadget id="calculator">30 - 18</gadget>
<output>12</output>

<gadget id="calculator">12 * 1_000</gadget>
<output>12_000</output>

<result>12_000</result>