A car factory produced 2,400 cars in the first half of the year, and the production in the second half of the year increased by 20% compared to the first half of the year. How many cars did the car factory produce in total this year?
某汽车制造厂上半年生产小汽车2400辆，下半年比上半年增产20%，问该汽车厂这一年共生产小汽车多少辆？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">2_400 * (6/5)</gadget>
<output>2_880</output>

<gadget id="calculator">2_880 + 2_400</gadget>
<output>5_280</output>

<result>5_280</result>