It takes 2 minutes to bake one side of the iron plate barbecue bait, and it can be baked on both sides at the same time. How long does it take to bake 14 bait at least?
铁板烧烤饵块烤1面需要2分钟，可以同时烤两面，烤14张饵块至少需要多少分钟．
<gadget id="calculator">14 / 2</gadget>
<output>7</output>

<gadget id="calculator">7 * 2</gadget>
<output>14</output>

<result>14</result>