There are 52 students in class A and 48 students in class B. In a test, the average score of the two classes is 88 points. It is known that the average score of class B is 3 points higher than that of class A. What is the average score of class A?
甲班有52人，乙班有48人，在一次测验中，两个班的平均成绩为88分，已知乙班比甲班的平均分高3分，那么甲班的平均分是多少？
<gadget id="calculator">88 * 52</gadget>
<output>4_576</output>

<gadget id="calculator">88 * 48</gadget>
<output>4_224</output>

<gadget id="calculator">48 * 3</gadget>
<output>144</output>

<gadget id="calculator">4_224 - 144</gadget>
<output>4_080</output>

<gadget id="calculator">4_576 + 4_080</gadget>
<output>8_656</output>

<gadget id="calculator">52 + 48</gadget>
<output>100</output>

<gadget id="calculator">8_656 / 100</gadget>
<output>2_164/25 = around 86.56</output>

<result>2_164/25 = around 86.56</result>