Rainbow Clothing Company has two garment workshops, A and B, which produce suits of the same style. Workshop A can produce 600 suits of this kind per month, and it takes 18 days to produce the jacket and 12 days to produce the trousers. Workshop B can also produce 600 suits of this kind per month, and it takes 15 days to produce the tops and trousers. If the two workshops cooperate, the monthly output can be increased. How to arrange the cooperation between the two workshops of AB to maximize the output? What is the maximum output?
彩虹服装公司有A、B两个制衣车间，生产同种款式的西服．A车间每月可生产这种西服600套，其中生产上衣需18天，生产裤子12天．B车间每月也可以生产这种西服600套，其中生产上衣裤子各需15天．如果让两个车间合作，则可以提高每月产量．怎样安排AB两个车间合作，可以使产量达到最大？最大产量是多少？
<gadget id="calculator">30 / 15</gadget>
<output>2</output>

<gadget id="calculator">600 * 2</gadget>
<output>1_200</output>

<gadget id="calculator">600 / 30</gadget>
<output>20</output>

<gadget id="calculator">20 * 6</gadget>
<output>120</output>

<gadget id="calculator">1_200 + 120</gadget>
<output>1_320</output>

<result>1_320</result>