There is a rectangular vegetable field, the length of one side is 8 meters, and the length of the adjacent side is 10 meters. If it is planned to dig a water channel with a width of 1 meter around the vegetable field, what is the outer perimeter of the water channel in meters? ?
有一块长方形的菜地，一边长为8米，其邻边长为10米，若计划在这块菜地的外围挖一条宽1米的水渠，那么这条水渠的外沿周长是多少米？
<gadget id="calculator">10 + 1 + 1 + 8 + 1 + 1</gadget>
<output>22</output>

<gadget id="calculator">22 * 2</gadget>
<output>44</output>

<result>44</result>