A math test, based on 90 points, the teacher recorded the scores of the three students as follows: +8 points, -2 points, +3 points. Find the actual grade point average of the three students.
一次数学考试，以90分为基准，老师将三位同学的成绩分别记录如下：+8分、-2分、+3分．求出这三位同学的实际平均成绩．
<gadget id="calculator">90 * 3</gadget>
<output>270</output>

<gadget id="calculator">3 - 2</gadget>
<output>1</output>

<gadget id="calculator">270 + 8 + 1</gadget>
<output>279</output>

<gadget id="calculator">279 / 3</gadget>
<output>93</output>

<result>93</result>