How many movies have Heikki Laurila and Jaakko Salo collaborated on?

They have worked on 3 movies together! Their first movie together was Nuoruus vauhdissa (1961) while their highest rated movie together was Pähkähullu Suomi (1967). They have not worked together since Pähkähullu Suomi (1967). They are most known for their comedy films together.