There are 300 chickens in the farm, and the number of chickens is less than that of ducks (3/5). How many ducks are there in the farm?
饲养场养了300只鸡，鸡的只数比鸭少(3/5)，饲养场养了多少只鸭？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 - (3/5)</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">300 / (2/5)</gadget>
<output>750</output>

<result>750</result>