A farm raises 1,200 hens, and the number of roosters is less than that of hens (3/5). How many chickens are raised in total?
一个饲养场，养母鸡1200只，养的公鸡比母鸡少(3/5)，一共养鸡多少只？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1_200 * (3/5)</gadget>
<output>720</output>

<gadget id="calculator">1_200 - 720</gadget>
<output>480</output>

<gadget id="calculator">480 + 1_200</gadget>
<output>1_680</output>

<result>1_680</result>