Chunyu Garment Processing Factory processed 2,400 sets of garments in 4 days. According to this calculation, the task can be completed in 5 more days. How many sets of clothes does Chunyu Garment Processing Factory process? (answer with ratio)
春雨服装加工厂4天加工了2400套服装，照这样计算，再加工5天就可以完成任务．春雨服装加工厂共加工多少套服装？(用比例解答)
<gadget id="calculator">4 + 5</gadget>
<output>9</output>

<gadget id="calculator">2_400 * 9</gadget>
<output>21_600</output>

<gadget id="calculator">21_600 / 4</gadget>
<output>5_400</output>

<result>5_400</result>