1 set serveroutput on 2 declare 3 num1 integer; 4 num2 integer; 5 num3 integer; 6 begin 7 num1:=2*4-1; 8 num2:=3*3*3; 9 num3:=num1+num2;10 dbms_output.put_line('num3:='||to_char(num3));11 end;