Use 6 squares with a side length of 1 cm to form a rectangle. What is the area of the rectangle?
用6个边长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．
<gadget id="calculator">1 * 1 * 6</gadget>
<output>6</output>

<result>6</result>