/media/sda-magnetic/david/Dokumente-15/fernuni-hagen/cs-i-ii/old-cs-2-01/comp-expr-scheme-2021-10-28/save.txt

(+
    (*
        (+
            (*
                1
                1
            )
            (+
                (*
                    3
                    1
                )
                0
            )
        )
        (*
            2
            1
        )
    )
    0
)