A pan can only fry 2 omelets at a time, and both sides must be fried for 2 minutes on each side. How many minutes does it take to fry three omelets at least.
一个平底锅，一次只能煎2个鸡蛋饼，两面都要煎，每面2分钟，煎三个鸡蛋饼至少要多少分钟．
<gadget id="calculator">2 * 3</gadget>
<output>6</output>

<result>6</result>