The automobile factory wants to produce a batch of passenger cars. It has already produced 1,400 vehicles, and the rest will produce 40 vehicles per day. It will take 35 days to complete the task. How many passenger vehicles are there in total?
汽车制造厂要生产一批客车，已经生产了1400辆，剩下的每天生产40辆，要35天完成任务，这批客车一共有多少辆？
<gadget id="calculator">35 * 40</gadget>
<output>1_400</output>

<gadget id="calculator">1_400 + 1_400</gadget>
<output>2_800</output>

<result>2_800</result>