Xiaoyun’s family has a rectangular vegetable field with an area of 68.4 square meters and a width of 7.2 meters. What is the perimeter of this vegetable field in meters?
小云家有一块长方形的菜地，面积是68.4平方米，它的宽是7.2米，这块菜地的周长是多少米？
<gadget id="calculator">68.4 / 7.2</gadget>
<output>9.5</output>

<gadget id="calculator">9.5 + 7.2</gadget>
<output>16.7</output>

<gadget id="calculator">16.7 * 2</gadget>
<output>33.4</output>

<result>33.4</result>