Xiao Ming's 3 homework, the average score is 92 points. If the mathematics score is not included, the average score is 90 points. What is Xiao Ming's math score?
小明的3门功课，平均成绩是92分．如果数学成绩不算在内，平均成绩90分．小明的数学成绩是多少分？
<gadget id="calculator">92 * 3</gadget>
<output>276</output>

<gadget id="calculator">90 * 2</gadget>
<output>180</output>

<gadget id="calculator">276 - 180</gadget>
<output>96</output>

<result>96</result>