Mom wants to bake a cake for 2 guests and 3 hosts of her own family. There can only be two cakes in the pot at a time. It takes 2 minutes to bake each side, and both sides need to be baked. How long will it take at least for everyone to eat at the same time? cake?
妈妈要为来的2位客人和自己家的3位主人烙一张饼，锅里的一次最多只能烙两张，每烙一面要2分钟，两面都要烙，最少需要多久大家才能同时吃饼？
<gadget id="calculator">2 * 2</gadget>
<output>4</output>

<gadget id="calculator">2 * 3</gadget>
<output>6</output>

<gadget id="calculator">4 + 6</gadget>
<output>10</output>

<result>10</result>