No problem, we've got 8992 and 6441 to multiply
8992 × 6441 = 6441 × (8992)
+ 6441 × 2 resulting in 12882
+ 6441 × 90 what gives us 579690
+ 6441 × 900 that is equal 5796900
+ 6441 × 8000 producing 51528000

= 57917472
