A total of 3,000 chickens are raised in the chicken farm, of which (3/5) are laying hens. How many laying hens are there?
养鸡场共养鸡3000只，其中的(3/5)是蛋鸡．蛋鸡有多少只？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">3_000 * (3/5)</gadget>
<output>1_800</output>

<result>1_800</result>