Three squares with side lengths of 4 cm form a rectangle, what is the perimeter of the rectangle in cm
三个边长为4厘米的正方形拼成一个长方形，长方形的周长是多少厘米
<gadget id="calculator">4 * 3</gadget>
<output>12</output>

<gadget id="calculator">12 + 4</gadget>
<output>16</output>

<gadget id="calculator">16 * 2</gadget>
<output>32</output>

<result>32</result>