Uncle Zhang’s family raised a flock of chickens, which laid 217 eggs a week, and how many eggs were laid per day on average.
张伯伯家养了一群鸡，一周共产蛋217个，平均每天产多少个蛋．
<gadget id="calculator">217 / 7</gadget>
<output>31</output>

<result>31</result>