SQL>
SQL> set serveroutput on
SQL> declare
2 v_length NUMBER :=5.5;
3 v_width NUMBER :=3.5;
4 v_area NUMBER;
5 begin
6 v_area:=v_length*v_width;
7 DBMS_OUTPUT.put_line('Area:'||v_area);
8 end;
9 /
Area:19.25
PL/SQL procedure successfully completed.
SQL>