Ao Zema, Koizumi, and Ou Ou have an average math score of 94. After adding Xiaomei's results, their average score becomes 92. What is Xiaomei's math score?
奥斑马、小泉、欧欧三个人的数学平均分是94，加上小美的成绩之后，他们的平均分变成了92，小美的数学分数是多少．
<gadget id="calculator">92 * 4</gadget>
<output>368</output>

<gadget id="calculator">94 * 3</gadget>
<output>282</output>

<gadget id="calculator">368 - 282</gadget>
<output>86</output>

<result>86</result>