SELECT university_students_and_adults__18yrs + _ FROM table_13555999_1 WHERE senior_high_school__15_18_yrs_ = "26mm"
Berapa jumlah mahasiswa dan orang dewasa di sekolah menengah atas itu 26mm?
CREATE TABLE table_13555999_1 (university_students_and_adults__18yrs VARCHAR, _ VARCHAR, senior_high_school__15_18_yrs_ VARCHAR)