Lufook Chicken Farm sold a batch of broilers, 40% of the total number of broilers were sold for the first time, and 1/5 of the total number of broilers were sold for the second time, leaving 1,200 broilers. How many broilers are there in total?
六福鸡场卖出一批肉鸡，第一次卖出肉鸡总数的40%，第二次卖出肉鸡总数的(1/5)，还剩肉鸡1200只，鸡场有肉鸡共多少只？
<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (2/5) - (1/5)</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1_200 / (2/5)</gadget>
<output>3_000</output>

<result>3_000</result>