There are 65 roosters in one room of Huayu Chicken Farm, and 4 hens that are 7 times the number of roosters. How many chickens are there in this room?
华誉养鸡场一房内有公鸡65只，母鸡只数是公鸡的7倍多4只，这个房内共有多少只鸡？
<gadget id="calculator">65 * 7</gadget>
<output>455</output>

<gadget id="calculator">455 + 4 + 65</gadget>
<output>524</output>

<result>524</result>