Guangming Shoes Factory planned to produce 24,000 pairs of shoes in June, but actually produced 25,200 pairs. What percentage increase?
光明鞋厂六月份计划生产鞋24000双，实际生产了25200双．增产百分之几？
<gadget id="calculator">25_200 - 24_000</gadget>
<output>1_200</output>

<gadget id="calculator">1_200 / 24_000</gadget>
<output>1/20 = around 0.05</output>

<result>1/20 = around 0.05</result>