In the tree planting activity of "Green Homeland", Dafeng Town planned to plant 25,000 trees, and actually planted 30,000 trees. How many percent more trees were actually planted than planned?
在"绿色家园"的植树活动中，大丰镇计划植树2.5万棵，实际植树3万棵．实际比计划多植树百分之几？
<gadget id="calculator">3 - 2.5</gadget>
<output>0.5</output>

<gadget id="calculator">0.5 / 2.5</gadget>
<output>0.2</output>

<result>0.2</result>