No problem, we've got 6621 and 9691 to multiply
6621 × 9691 = 9691 × (6621)
+ 9691 × 1 giving us 9691
+ 9691 × 20 what gives us 193820
+ 9691 × 600 that results in 5814600
+ 9691 × 6000 yielding 58146000

= 64164111
