Two identical squares are used to form a 48 cm rectangle. What is the area of the original square in square centimeters?
用两个完全一样的正方形拼成了一个48厘米的长方形，原来一个正方形的面积是多少平方厘米．
<gadget id="calculator">8 * 8</gadget>
<output>64</output>

<result>64</result>