Xiao Ming's average score in the first three math tests was 90, and the fourth math test scored 98 points. What is his average score in the four math tests?
小明前三次数学测验的平均分是90分，第四次数学测验得98分，他四次数学测验的平均分是多少分．
<gadget id="calculator">90 * 3</gadget>
<output>270</output>

<gadget id="calculator">270 + 98</gadget>
<output>368</output>

<gadget id="calculator">368 / 4</gadget>
<output>92</output>

<result>92</result>