The TV factory produced 2,500 TV sets in May, 500 more than the original plan. Overproduction percentage?
电视机厂五月份生产电视机2500台，比原计划多生产500台．超产百分之几？
<gadget id="calculator">2_500 - 500</gadget>
<output>2_000</output>

<gadget id="calculator">500 / 2_000</gadget>
<output>1/4 = around 0.25</output>

<result>1/4 = around 0.25</result>