If 12 small squares of 1 square centimeter are used to form a rectangle, what is the area of the rectangle in square centimeters?
用12个1平方厘米的小正方形拼成一个长方形，这个长方形的面积是多少平方厘米．
<gadget id="calculator">1 * 12</gadget>
<output>12</output>

<result>12</result>