The automobile factory plans to manufacture 1,680 vehicles in 8 months, but actually produces 30 more vehicles per month than planned. How many months will it actually take to complete the task?
汽车制造厂计划8个月制造汽车1680辆，实际每个月比计划每个月多生产30辆，实际用多少个月完成任务？
<gadget id="calculator">1_680 / 8</gadget>
<output>210</output>

<gadget id="calculator">210 + 30</gadget>
<output>240</output>

<gadget id="calculator">1_680 / 240</gadget>
<output>7</output>

<result>7</result>