What is the perimeter of a rectangle with an area of 32 square centimeters and a width of 4 centimeters?
一个面积为32平方厘米的长方形，宽4厘米，它的周长是多少厘米．
<gadget id="calculator">32 / 4</gadget>
<output>8</output>

<gadget id="calculator">8 + 4</gadget>
<output>12</output>

<gadget id="calculator">12 * 2</gadget>
<output>24</output>

<result>24</result>