The washing machine factory produced 3,600 washing machines last year, which was 600 more than the plan, and how much more than the plan actually was.
洗衣机厂去年生产洗衣机3600台，比计划多生产600台，实际比计划增产了多少．
<gadget id="calculator">3_600 - 600</gadget>
<output>3_000</output>

<gadget id="calculator">600 / 3_000</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>