No problem, we've got 9983 and 6341 to multiply
9983 × 6341 = 6341 × (9983)
+ 6341 × 3 yielding 19023
+ 6341 × 80 yielding 507280
+ 6341 × 900 what gives us 5706900
+ 6341 × 9000 that is equal 57069000

= 63302203
