Only two pancakes can be fried on one pan, and it takes 2 minutes to fry one pancake (one minute for the front and one minute for the other side), and how many minutes is the minimum time required to fry six pancakes.
一只平底锅上只能煎两个饼，用它煎1个饼需要2分钟(正、反面各1分钟)，煎6个饼最少需要多少分钟．
<gadget id="calculator">6 / 2</gadget>
<output>3</output>

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

<result>6</result>