Uncle Zhang raised 64 chickens and laid 512 eggs a week. On average, how many eggs can each chicken lay in a week?
张大爷家养了64只鸡，一个星期共生蛋512只，平均每只鸡一个星期可生蛋多少只？
<gadget id="calculator">512 / 64</gadget>
<output>8</output>

<result>8</result>