Xiaolin's average score in Chinese and English in the mid-term exam is 89 points. After adding mathematics, the average score of the three subjects is 92 points. What is Xiaolin's math score?
小林期中考语文、英语的平均分是89分，加上数学成绩后，三科的平均分数是92分，小林数学成绩是多少分．
<gadget id="calculator">92 * 3</gadget>
<output>276</output>

<gadget id="calculator">89 * 2</gadget>
<output>178</output>

<gadget id="calculator">276 - 178</gadget>
<output>98</output>

<result>98</result>