The position of Xiaohua sitting in the class, no matter from which direction it is represented by a number pair (4, 4) how many people are in this class.
小华坐在班上的位置，无论从哪个方向用数对表示都是(4，4)这个班共多少人．
<gadget id="calculator">7 * 7</gadget>
<output>49</output>

<result>49</result>