Grandma Li’s family has 15 roosters and 2 hens. Each hen lays an egg every day. Grandma Li’s family currently has 16 eggs. If the family needs to eat 4 eggs a day, how many days can her family eat continuously?
李奶奶家养了15只公鸡和2只母鸡，每只母鸡每天下一个蛋，李奶奶家现有16个鸡蛋，如果家人每天要吃4个鸡蛋，她家可以连续吃多少天？
<gadget id="calculator">4 - 2</gadget>
<output>2</output>

<gadget id="calculator">16 / 2</gadget>
<output>8</output>

<result>8</result>