During a math test in a class of fifth grade. 28 boys, with an average of 91.2 points; 22 girls, with an average of 91.6 points. What is the average score of this class?
五年级某班的一次数学检测中．男生28人，平均91.2分；女生22人，平均91.6分．这个班同学的平均分是多少？
<gadget id="calculator">91.2 * 28</gadget>
<output>2_553.6</output>

<gadget id="calculator">91.6 * 22</gadget>
<output>2_015.2</output>

<gadget id="calculator">2_553.6 + 2_015.2</gadget>
<output>4_568.8</output>

<gadget id="calculator">28 + 22</gadget>
<output>50</output>

<gadget id="calculator">4_568.8 / 50</gadget>
<output>91.376</output>

<result>91.376</result>