Two rectangles with a length of 3 cm and a width of 2 cm are put together to form a large rectangle. What is the area of the large rectangle?
把两个长3厘米，宽2厘米的长方形拼成一个大长方形，这个大长方形的面积是多少．
<gadget id="calculator">3 + 3</gadget>
<output>6</output>

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

<result>12</result>