Grandpa Li surrounded a chicken house with a length of 8 meters and a width of 3 meters. In order to save materials, one side was leaning against the wall. How many meters of fence should be used to surround this chicken coop?
李爷爷用篱笆围一个长8米、宽3米的鸡舍，为了节省材料，一面靠墙．围这个鸡舍至少要用多少米的篱笆？
<gadget id="calculator">3 * 2</gadget>
<output>6</output>

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

<result>14</result>