There are 3,600 chickens in the chicken farm, and the number of cocks is less than that of hens (4/5). How many fewer cocks than hens?
养鸡场共养鸡3600只，公鸡比母鸡的只数少(4/5)，公鸡比母鸡少多少只？
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">(5/6) - (1/6)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">3_600 * (2/3)</gadget>
<output>2_400</output>

<result>2_400</result>