There are 40 roosters in a chicken farm, and the number of hens is 5 times that of roosters. How many chickens are raised in the chicken farm?
养鸡场养了40只公鸡，母鸡的只数是公鸡的5倍．养鸡场一共养了多少只鸡？
<gadget id="calculator">40 * 5</gadget>
<output>200</output>

<gadget id="calculator">200 + 40</gadget>
<output>240</output>

<result>240</result>