No problem, we've got 6689 and 4649 to multiply
6689 × 4649 = 4649 × (6689)
+ 4649 × 9 resulting in 41841
+ 4649 × 80 what gives us 371920
+ 4649 × 600 which equals 2789400
+ 4649 × 6000 what gives us 27894000

= 31097161
