A factory planned to produce 200 parts, but actually produced 220 parts. What percentage was more than planned?
某厂计划生产200个零件，实际生产了220个零件，实际比计划多产百分之几？
<gadget id="calculator">220 - 200</gadget>
<output>20</output>

<gadget id="calculator">20 / 200</gadget>
<output>1/10 = around 0.1</output>

<result>1/10 = around 0.1</result>