No problem, we've got 8427 and 1541 to multiply
8427 × 1541 = 1541 × (8427)
+ 1541 × 7 giving us 10787
+ 1541 × 20 yielding 30820
+ 1541 × 400 yielding 616400
+ 1541 × 8000 that is equal 12328000

= 12986007
