A rectangular flower bed is 45 meters long and 38 meters wide. Xiaojun walked around the flower bed twice, how many meters did he walk in total?
一个长方形花坛的长是45米，宽是38米．小军绕着这个花坛走了2圈，一共走了多少米？
<gadget id="calculator">45 + 38</gadget>
<output>83</output>

<gadget id="calculator">83 * 2 * 2</gadget>
<output>332</output>

<result>332</result>