steel factory planned to produce 54,000 tons of steel for the whole year, but the task was completed two months ahead of schedule. How much more tons was actually produced per month than planned?
某钢厂全年计划产钢54000吨，结果提前两个月完成任务，实际每月比计划每月多生产多少吨？
<gadget id="calculator">12 - 2</gadget>
<output>10</output>

<gadget id="calculator">54_000 / 10</gadget>
<output>5_400</output>

<gadget id="calculator">54_000 / 12</gadget>
<output>4_500</output>

<gadget id="calculator">5_400 - 4_500</gadget>
<output>900</output>

<result>900</result>