CREATE TABLE table_name_16 (total VARCHAR(255), set_2 VARCHAR(255), score VARCHAR(255), set_3 VARCHAR(255))
What is the total of the 3-0 score with a set 2 of 25-12 and a set 3 of 25-18?
    
SQL: SELECT total FROM table_name_16 WHERE score = "3-0" AND set_3 = "25-18" AND set_2 = "25-12"