我创建了一个查询，该查询将通过组合框使用Student_Profile表中的Student_ID_Number在表单中显示数据并进行过滤。
如何显示Student_Payment_Table中的StudentTuitionFee_Pay（Field）的总和以及Student_Level_Fee表中的StudentTuitionFee（Field）的差异？
SELECT
Student_Profile.Student_ID_Number,
Student_Profile.Student_Nameenter
Student_Level_Fee.StudentLevel,
Student_Level_Fee.StudentLevelName,
Student_Level_Fee.StudentTuitionFee,
Student_Level_Fee.StudentRegistrationFee,
Student_Level_Fee.StudentBookFee,
Student_Level_Fee.StudentMiscFee,
Student_Level_Fee.StudentMiscOthers1,
Student_Level_Fee.StudentMiscOthers2,
Student_Level_Fee.StudentMiscOthers3,
Student_Level_Fee.SchoolYear,
Student_Payment_Table.Student_OR_Number,
Student_Payment_Table.Student_OR_TAmount,
Student_Payment_Table.Student_OR_Date,
Student_Payment_Table.StudentTuitionFee_Pay,
Student_Payment_Table.StudentRegistrationFee_Pay,
Student_Payment_Table.StudentBookFee_Pay,
Student_Payment_Table.StudentMiscFee_Pay,
Student_Payment_Table.StudentMiscOthers1_Pay,
Student_Payment_Table.StudentMiscOthers2_Pay,
Student_Payment_Table.StudentMiscOthers3_Pay,
Student_Payment_Table.SchoolYear_Pay
FROM Student_Level_Fee RIGHT JOIN
(Student_Registration_Table LEFT JOIN (Student_Profile
LEFT JOIN Student_Payment_Table ON Student_Profile.Student_ID_Number = Student_Payment_Table.Student_ID_Number)
ON Student_Registration_Table.Student_ID_Number = Student_Profile.Student_ID_Number)
ON Student_Level_Fee.StudentLevel = Student_Registration_Table.StudentLevel
WHERE (((Student_Profile.Student_ID_Number)=[Forms]![Search Payment Form]![Student_ID_Combo]));