rectangular garden, 26 meters long and 18 meters wide, with one side against a wall and the other three sides surrounded by fences. How many meters of fence is the minimum required?
一个长方形花园，长26米，宽18米，一面靠墙，其他三面围上篱笆．最少需要多少米篱笆？
<gadget id="calculator">18 * 2</gadget>
<output>36</output>

<gadget id="calculator">26 + 36</gadget>
<output>62</output>

<result>62</result>