The area of a rectangle is 9.6 square meters and its width is 3 meters. What is its perimeter in meters?
长方形的面积是9.6平方米，宽是3米，它的周长是多少米？
<gadget id="calculator">9.6 / 3</gadget>
<output>3.2</output>

<gadget id="calculator">3.2 + 3</gadget>
<output>6.2</output>

<gadget id="calculator">6.2 * 2</gadget>
<output>12.4</output>

<result>12.4</result>