A certain factory actually produced 10,800 cars last month, which was 2,800 more than planned. By what percentage?
某工厂上个月实际生产轿车10800辆，比计划多生产了2800辆，超产百分之几？
<gadget id="calculator">10_800 - 2_800</gadget>
<output>8_000</output>

<gadget id="calculator">2_800 / 8_000</gadget>
<output>7/20 = around 0.35</output>

<result>7/20 = around 0.35</result>