When Ma Xiaohu helped register the grades of 9 students participating in the grade math competition, he miswritten the grade of one of them as 96 points. As a result, the average score of the 9 students rose from 79 points to 82 points. What is the student's original grade?
马小虎帮助登记9名同学参加年级数学竞赛的成绩时，把其中一名同学的成绩写错为96分，结果9名同学的平均成绩由原来的79分上升到82分．这位同学原来的成绩是多少．
<gadget id="calculator">82 - 79</gadget>
<output>3</output>

<gadget id="calculator">3 * 9</gadget>
<output>27</output>

<gadget id="calculator">96 - 27</gadget>
<output>69</output>

<result>69</result>