washing machine factory originally planned to produce 6,000 washing machines a year. Due to improved production technology, the production task was actually completed in 10 months. How many more washing machines were actually produced per month than the original plan?
某洗衣机厂原计划一年生产6000台洗衣机，由于改进了生产技术，实际用10个月就完成了生产任务，实际平均每月比原计划每月多生产多少台洗衣机？
<gadget id="calculator">6_000 / 10</gadget>
<output>600</output>

<gadget id="calculator">6_000 / 12</gadget>
<output>500</output>

<gadget id="calculator">600 - 500</gadget>
<output>100</output>

<result>100</result>