The automobile factory will produce 12,500 vehicles this year, an increase of 2,500 compared with last year. What percentage is the increase compared with last year?
汽车制造厂今年生产汽车12500辆，比去年增产2500辆，比去年增产百分之几？
<gadget id="calculator">12_500 - 2_500</gadget>
<output>10_000</output>

<gadget id="calculator">2_500 / 10_000</gadget>
<output>1/4 = around 0.25</output>

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