How many movies have Leonid Gaidai and Mikhail Kokshenov collaborated on?

They have worked on 7 movies together! Their first movie together was It Can't Be! (1975) and was their highest rated movie together. They have not worked together since There's Good Weather in Deribasovskaya, Or It's Raining Again in Brighton Beach (1993). They are most known for their comedy films together.