The school plans to invest 600,000 yuan to build a plastic runway in the school, but the actual cost is 750,000 yuan, which is an increase of a few percent compared to the plan?
学校计划投资60万元在学校修建塑胶跑道，实际用75万，比计划增加了百分之几？
<gadget id="calculator">75 - 60</gadget>
<output>15</output>

<gadget id="calculator">15 / 60</gadget>
<output>1/4 = around 0.25</output>

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