==> -12 and 3
          (euclidean/ -123 10) ==> -13 and 7
          (euclidean/ -123 -10) ==> 13 and 7
          (euclidean/ -123.2 -63.5) ==> 2.0 and 3.8
          (euclidean/ 16/3 -10/7) ==> -3 and 22/21