Xiaohong’s house has a rectangular fish pond. The length of the fish pond is 8 meters and the width is 6 meters.
小红家有一个长方形鱼池，鱼池长8米，宽6米，如果鱼池一面靠墙，围上篱笆至少要多少米？
<gadget id="calculator">8 + 6 + 6</gadget>
<output>20</output>

<result>20</result>