File list of package libgfortran-9-dev in jammy of architecture amd64

/usr/lib/gcc/x86_64-linux-gnu/9/include/ISO_Fortran_binding.h
/usr/lib/gcc/x86_64-linux-gnu/9/libcaf_single.a
/usr/lib/gcc/x86_64-linux-gnu/9/libgfortran.a
/usr/lib/gcc/x86_64-linux-gnu/9/libgfortran.so
/usr/share/doc/libgfortran-9-dev