You can only bake 3 cakes on a pan at a time, and it takes 8 minutes to bake each cake (4 minutes for the front and back sides), and how many minutes does it take to bake 26 cakes at least.
在一个锅上烙饼，每次最多只能烙3个，每烙一个饼需要8分钟(正反面各4分钟)，烙26个饼至少需要多少分钟．
<gadget id="calculator">4 + 4</gadget>
<output>8</output>

<gadget id="calculator">8 * 7</gadget>
<output>56</output>

<gadget id="calculator">56 + 4 + 4 + 4</gadget>
<output>68</output>

<result>68</result>