No problem, we've got 6443 and 4512 to multiply
6443 × 4512 = 4512 × (6443)
+ 4512 × 3 that is equal 13536
+ 4512 × 40 resulting in 180480
+ 4512 × 400 resulting in 1804800
+ 4512 × 6000 giving us 27072000

= 29070816
