How many movies have Eila Lehto and Jarno Hiilloskorpi collaborated on?

They have worked on 4 movies together! Their first movie together was Nuoruus vauhdissa (1961) while their highest rated movie together was Gas, Inspector Palmu! (1961). They have not worked together since Rakkaus alkaa aamuyöstä (1966). They are most known for their comedy films together.