If two squares with side lengths of 4 cm are put together to form a rectangle, what is the area of the rectangle in square centimetres?
把两个边长是4厘米的正方形拼成一个长方形，长方形的面积是多少平方厘米
<gadget id="calculator">4 * 2 * 4</gadget>
<output>32</output>

<result>32</result>