The average score of Xiao Ming's three math tests is 98, the first time is 99 points, the second time is 95 points, what is the third time
小明三次数学测验的平均成绩是98，第一次是99分，第二次是95分，第三次是多少分
<gadget id="calculator">98 * 3</gadget>
<output>294</output>

<gadget id="calculator">294 - 99 - 95</gadget>
<output>100</output>

<result>100</result>