A tractor factory calculates to produce 1,200 tractors in a year, but actually produced 480 in the first 4 months. According to this calculation, how many more tractors can be produced in a year?
某拖拉机厂全年计算生产拖拉机1200台，实际前4个月生产了480台，照这样计算，全年可以多生产拖拉机多少台？
<gadget id="calculator">480 / 4</gadget>
<output>120</output>

<gadget id="calculator">120 * 12</gadget>
<output>1_440</output>

<gadget id="calculator">1_440 - 1_200</gadget>
<output>240</output>

<result>240</result>