Client Tools :: Unable To Print Query Output On TOAD

When i run the below mentioned query(similar query)on TOAD. It will run without any errors and i can see "PL/SQL Procedure successfully completed" in the task bar.....

However i am unable to see the output for the query.

print the the query output on TOAD ....

**** Sample Query Starts *****
DECLARE
i PLS_INTEGER;
BEGIN
SELECT NVL(i, 93)
INTO i
FROM DUAL;
--print i;
--dbms_output.put_line('i1: ' || i);
END;
**** Sample Query Ends*****

**** Actual Query Starts *****
-----------------------------------------------------------------
DECLARE
UnxDate number(6);
MyResult number(6);
Todaysdate date := TO_DATE('17-01-2012 00:00:00','dd-mm-yyyy hh24:mi:ss');
BEGIN
SELECT ROUND (Todaysdate - TO_DATE('01-jan-1970','dd-mon-yyyy') ) INTO UnxDate FROM dual;
[code]......