Input (grade 7): He also served as Chancellor of the Exchequer four times (1853 - 1855, 1859 - 1866, 1873 - 1874, and 1880 - 1882).
Output (grade 6): He also served as Chancellor of the Exchequer four times (1853-1855, 1859-1866, 1873-1874, and 1880-1882).