Spring is here, and the forest farm needs to plant 12,000 trees. It was planned to complete the task in 15 days, but it actually took only 12 days to complete the task. How many more trees are actually planted per day than planned?
春天到了，林场要植树12000株，计划15天完成任务，实际只用了12天完成任务．实际每天比计划每天多植树多少株？
<gadget id="calculator">12_000 / 12</gadget>
<output>1_000</output>

<gadget id="calculator">12_000 / 15</gadget>
<output>800</output>

<gadget id="calculator">1_000 - 800</gadget>
<output>200</output>

<result>200</result>