Xiaogang uses a pan to fry pumpkin pies, and can only put up to 2 at a time. If it takes 4 minutes to fry 1 pumpkin pie (2 minutes for the front and 2 minutes for the reverse side), then how many minutes will it take to fry 5 pumpkin pies at least?
小刚用一只平底锅煎南瓜饼，每次最多只能放2个，如果煎1只南瓜饼要4分钟(正、反面各2分钟)，那么煎5只南瓜饼最少要用多少分钟．
<gadget id="calculator">2 + 2 + 2</gadget>
<output>6</output>

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

<result>10</result>