test=*> create table excel (a int, b int);
CREATE TABLE
test=*> insert into excel values (3,4);
INSERT 0 1
test=*> select a*b, 'ja, das geht' as antwort, 'und zwar so' as antwort2 from excel ;
?column? | antwort | antwort2
----------+--------------+-------------
12 | ja, das geht | und zwar so
(1 row)