Uncle Zhang wants to use a fence to surround a rectangular chicken house with a length of 8 meters and a width of 3 meters. In order to save materials, one side should be against the wall. How many meters of fence should be surrounded?
张大伯要用篱笆围一个长8米，宽3米的长方形鸡舍，为了节省材料，一面靠墙，至少要围多少米的篱笆？
<gadget id="calculator">3 * 2</gadget>
<output>6</output>

<gadget id="calculator">8 + 6</gadget>
<output>14</output>

<result>14</result>