ref: ec7cfc6f9f4927a0dfd85af0145adcf20b66c2b1
dir: /test/data/stdbigint-expected/
517347321949036993306 1234567812346789666677778888 / 123456781234678966667777 == 10000 1208908684563961789813300 / 263951815549716 == 4580035496 5192296858534810493479828944327220 / 75557863709417659441940 == 68719476751