The results of the math test in class three of five years are as follows: the first team has 9 people, with a total score of 810 points; the second team has 10 people, with an average score of 89.5 points; the third team has 10 people with a total of 922 points; the fourth team has 9 people with a total of 774 points, What is the overall average score of the class? Then calculate which group has a higher average score?
五年三班一次数学测试成绩如下：第一小队9人，共得810分；第二小队10人，平均分89.5分；第三小队10人共922分；第四小队9人共774分，全班的总平均分是多少？再算算哪个组的平均分高一些？
<gadget id="calculator">3_401 / 38</gadget>
<output>179/2 = around 89.5</output>

<result>179/2 = around 89.5</result>