DECLARE
    X NUMBER;
    Y NUMBER;
BEGIN
    X := &FIRST_NUMBER;
    Y := &SECOND_NUMBER;

    DBMS_OUTPUT.PUT_LINE('The Sum of ' || X || ' AND ' || Y || ' is ' || (X + Y));
    DBMS_OUTPUT.PUT_LINE('The Difference of ' || X || ' AND ' || Y || ' is ' || (X - Y));
    DBMS_OUTPUT.PUT_LINE('The Product of ' || X || ' AND ' || Y || ' is ' || (X * Y));
    DBMS_OUTPUT.PUT_LINE('The Division of ' || X || ' AND ' || Y || ' is ' || (X / Y));
END;
/