8. A primary school 1 to grade 6 all participated in the calligraphy competition. Results 18 people won the prize in the fifth and sixth grades. Among the school's award-winning students, 16 are not in Grade 5.
All six grades in a primary school participated in the calligraphy competition, among which five or six grades *** 18 won the prize. Among the award-winning students in this school, 16 is not in the fifth grade, and 14 is not in the sixth grade. What is the total number of winners in the school calligraphy competition?
(14+16+18) ÷ 2 = 24a * * * 24 people.