No problem, we've got 8399 and 6653 to multiply
8399 × 6653 = 6653 × (8399)
+ 6653 × 9 that is equal 59877
+ 6653 × 90 that results in 598770
+ 6653 × 300 giving us 1995900
+ 6653 × 8000 giving us 53224000

= 55878547
