The plastic factory originally planned to produce 180 tons of plastic per month throughout the year. Due to the improvement of work efficiency, the annual task was completed in the first half of the year. Based on this calculation, how many tons of plastic will be produced throughout the year?
塑料厂，原计划全年每月生产塑料180t，由于提高工作效率，结果上半年就完成了全年任务，照这样计算，全年生产塑料多少吨？
<gadget id="calculator">12 / 6</gadget>
<output>2</output>

<gadget id="calculator">180 * 2 * 12</gadget>
<output>4_320</output>

<result>4_320</result>