A car factory produced 36,400 cars in the first half of the year, which was 3,900 more than the original plan. What percentage was actually more than the plan?
某汽车制造厂上半年生产小汽车36400辆，比原计划多生产3900辆，实际比计划多生产百分之几？
<gadget id="calculator">36_400 - 3_900</gadget>
<output>32_500</output>

<gadget id="calculator">3_900 / 32_500</gadget>
<output>3/25 = around 0.12</output>

<result>3/25 = around 0.12</result>