The fifth grade students of Shengli Elementary School lined up in a square to perform martial art boxing. Zhang Ming's position was (4, 4) from four directions. How many students were performing military boxing.
胜利小学五年级学生排成一个方阵进行军体拳表演，从四个方向看张明的位置都是(4，4)，进行军体拳表演的有多少名学生．
<gadget id="calculator">3 + 3 + 1</gadget>
<output>7</output>

<gadget id="calculator">7 * 7</gadget>
<output>49</output>

<result>49</result>