The number of students in Class A and Class B is equal, and some students each participate in the extracurricular astronomy group. The number of people who work overtime to join the astronomy group is (1/3) the number of students in class B who do not participate in the astronomy group. 1/4), the number of people who did not participate in class A is the same as the number of people who did not participate in class B
甲乙两班学生人数相等，各有一些同学参加课外天文小组，加班参加天文小组的人数是乙班没有参加人数的(1/3)，乙班参加天文小组的人数是甲班没有参加人数的(1/4)，甲班没有参加的人数是乙班没有参加人数的多少
<gadget id="calculator">8 / 9</gadget>
<output>8/9 = around 0.888889</output>

<result>8/9 = around 0.888889</result>