Yonggu Cement Plant plans to produce 3240 tons of cement for the whole year, but the actual output in the first 8 months is 40 tons more than the planned task for the whole year. If the production continues at this rate, how many tons of cement will it actually produce in the whole year?
永固水泥厂计划全年生产水泥3240t，实际前8个月产量就比全年计划任务多生产了40t，按这样的速度生产下去，实际全年生产多少吨水泥？
<gadget id="calculator">3_240 + 40</gadget>
<output>3_280</output>

<gadget id="calculator">3_280 / 8</gadget>
<output>410</output>

<gadget id="calculator">410 * 12</gadget>
<output>4_920</output>

<result>4_920</result>