Congcong's family raised a hen, which laid an egg every other day, how many eggs in 8 days.
聪聪家养了一只母鸡，每隔一天下1个蛋，8天下多少个蛋．
<gadget id="calculator">8 / 2</gadget>
<output>4</output>

<gadget id="calculator">4 * 1</gadget>
<output>4</output>

<result>4</result>