In a math unit test, Xiao Ming got 85 points, Xiao Hong got 89 points, and Xiao Qing got 96 points. What is their average math score?
在某次数学单元测试中，小明考了85分，小红考了89分，小青考了96分，算一算他们的数学平均成绩是多少分？
<gadget id="calculator">85 + 89 + 96</gadget>
<output>270</output>

<gadget id="calculator">270 / 3</gadget>
<output>90</output>

<result>90</result>