It is known that the average score of the two classes A and B is 92 points, of which the average score of class A is 95 points, and the average score of class B is 81 points. Class A has 32 more students than class B. How many people are in class B?
已知甲乙两个班的平均分是92分，其中甲班平均分为95分，乙班平均分为81分，甲班比乙班多32人，问乙班多少人？
<gadget id="calculator">95 * 32</gadget>
<output>3_040</output>

<gadget id="calculator">92 * 32</gadget>
<output>2_944</output>

<gadget id="calculator">3_040 - 2_944</gadget>
<output>96</output>

<gadget id="calculator">92 * 2</gadget>
<output>184</output>

<gadget id="calculator">184 - 81 - 95</gadget>
<output>8</output>

<gadget id="calculator">96 / 8</gadget>
<output>12</output>

<result>12</result>