Only two fish can be fried on a pan at most, and it takes 4 minutes to fry one fish with it. (2 minutes for each side of the front and back), then, at least how many minutes are needed to fry five fish.
一只平底锅上最多只能煎两条鱼，用它煎一条鱼需要4分钟．(正反面各2分钟)，那么，煎五条鱼至少需要多少分钟．
<gadget id="calculator">6 + 4</gadget>
<output>10</output>

<result>10</result>