A pan can bake two cakes at a time. If it takes 1 minute to bake one side, how many minutes will it take to bake 5 cakes? (Front and back sides must be ironed)
一个平底锅每次能烙两张饼，如果烙一面要1分钟，烙好5张饼至少要多少分钟．(正、反两面都要烙)
<gadget id="calculator">2 + 3</gadget>
<output>5</output>

<result>5</result>