In a math test, the scores of 5 students in descending order are 74 points, 82 points, A points, 88 points, and 92 points. What is their average score?
一次数学考试，5名同学的分数从小到大排列是74分、82分、a分、88分、92分，他们的平均分可能是多少
<gadget id="calculator">74 + 82 + 88 + 92</gadget>
<output>336</output>

<gadget id="calculator">336 / 4</gadget>
<output>84</output>

<result>84</result>