The width of a rectangular vegetable field is 24 meters, which is 8 meters less than the length. What is the perimeter of the vegetable field in meters?
一块长方形菜地的宽是24米，比长少8米，这块菜地的周长是多少米？
<gadget id="calculator">24 + 8 + 24</gadget>
<output>56</output>

<gadget id="calculator">56 * 2</gadget>
<output>112</output>

<result>112</result>