A tractor factory planned to produce 1,200 tractors last year, but it produced 675 tractors in the first half of the year, and 135 more in the second half of the year than in the first half. By what percentage is the annual production more than the original plan?
某拖拉机厂去年计划生产拖拉机1200台，结果上半年生产了675台，下半年比上半年多生产135台．全年生产的超过原计划百分之几？
<gadget id="calculator">675 + 675 + 135</gadget>
<output>1_485</output>

<gadget id="calculator">1_485 - 1_200</gadget>
<output>285</output>

<gadget id="calculator">285 / 1_200</gadget>
<output>19/80 = around 0.2375</output>

<result>19/80 = around 0.2375</result>