The scores of A, B, and C in a certain math test are: 82 points, 67 points, and 91 points. What is their average score?
某次数学测验甲、乙、丙的成绩为：82分，67分，91分，他们的平均成绩为多少分．
<gadget id="calculator">82 + 67 + 91</gadget>
<output>240</output>

<gadget id="calculator">240 / 3</gadget>
<output>80</output>

<result>80</result>