The grades of the six students in the first group are: 90, 98, 88, 95, 99, 100. What is their average score?
第一小组6个同学数学测验的成绩分别是：90、98、88、95、99、100，他们的平均分是多少？
<gadget id="calculator">90 + 98 + 88 + 95 + 99 + 100</gadget>
<output>570</output>

<gadget id="calculator">570 / 6</gadget>
<output>95</output>

<result>95</result>