There are 1500 chickens in the farm, the number of ducks is chickens (4/5), and the number of geese is ducks (3/4). How many geese are raised in the farm?
饲养场养了1500只鸡，养鸭的只数是鸡的(4/5)，养鹅的只数是鸭的(3/4)，饲养场养了多少只鹅？
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1_500 * (4/5) * (3/4)</gadget>
<output>900</output>

<result>900</result>