A pan can only fry two eggs at a time, and it takes 4 minutes to fry one egg (both sides need 2 minutes), and how many minutes does it take to fry 5 eggs?
一个平底锅一次只能煎两个鸡蛋，用它煎一个鸡蛋需要4分钟，(正、反两面各需要2分钟)，煎5个鸡蛋至少需要多少分钟．
<gadget id="calculator">4 + 6</gadget>
<output>10</output>

<result>10</result>