There are 64 roosters in one room of Huayu Chicken Farm, and the number of hens is 6 times that of roosters. How many chickens are there in this room?
华誉养鸡场一房内有公鸡64只，母鸡只数是公鸡的6倍，这个房内共有多少只鸡？
<gadget id="calculator">64 * 6</gadget>
<output>384</output>

<gadget id="calculator">384 + 64</gadget>
<output>448</output>

<result>448</result>