farm raises 2400 geese, the number of geese is 3/4 of that of ducks, and the number of ducks is 4/5 of that of chickens, how many chickens are raised in the farm?
某饲养场养了2400只鹅，鹅的只数是鸭的(3/4)，鸭的只数是鸡的(4/5)，饲养场养了多少只鸡？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">2_400 / (3/4) / (4/5)</gadget>
<output>4_000</output>

<result>4_000</result>