If two squares with side length 1 cm are used to form a rectangle, what is the area of the rectangle in square centimetres?
用两个边长是1厘米的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 * 1 * 2</gadget>
<output>2</output>

<result>2</result>