The farm raises 2400 chickens, and the number of ducks is more than chickens (1/4). How many ducks are there in the farm?
养殖场养了2400只鸡，养鸭的只数比鸡多(1/4)．养殖场养了多少只鸭？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">2_400 / (5/4)</gadget>
<output>1_920</output>

<result>1_920</result>