Beibei Toy Factory planned to produce 2,000 Pleasant Goat toys, but actually exceeded production by 400. By what percentage?
贝贝玩具厂计划生产喜羊羊玩具2000个，实际超产400个，超产了百分之几？
<gadget id="calculator">400 / 2_000</gadget>
<output>1/5 = around 0.2</output>

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