In a certain place last year, the output of early rice was 500 tons, and the output of late rice was 600 tons. By what percentage is the output of late rice higher than that of early rice?
某地去年早稻产量是500吨，晚稻产量600吨，晚稻产量比早稻增产百分之几？
<gadget id="calculator">600 - 500</gadget>
<output>100</output>

<gadget id="calculator">100 / 500</gadget>
<output>1/5 = around 0.2</output>

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