The average score of Xiaohong's three exams is 92. It is known that the average score of the first and second exams is 91. What is her third score?
小红三次考试的平均成绩是92分，已知第一次和第二次的平均成绩是91，她的第三次成绩是多少分．
<gadget id="calculator">92 * 3</gadget>
<output>276</output>

<gadget id="calculator">91 * 2</gadget>
<output>182</output>

<gadget id="calculator">276 - 182</gadget>
<output>94</output>

<result>94</result>