No problem, we've got 8645 and 8668 to multiply
8645 × 8668 = 8668 × (8645)
+ 8668 × 5 which equals 43340
+ 8668 × 40 that equals 346720
+ 8668 × 600 that is equal 5200800
+ 8668 × 8000 producing 69344000

= 74934860
