small squares with a side length of 1 cm are used to form a rectangle. What is the perimeter of the formed rectangle?
用5个边长是1厘米的小正方形拼成一个长方形，拼成的长方形的周长是多少厘米？
<gadget id="calculator">5 + 1</gadget>
<output>6</output>

<gadget id="calculator">6 * 2</gadget>
<output>12</output>

<result>12</result>