No problem, we've got 6443 and 7023 to multiply
6443 × 7023 = 7023 × (6443)
+ 7023 × 3 resulting in 21069
+ 7023 × 40 yielding 280920
+ 7023 × 400 giving us 2809200
+ 7023 × 6000 giving us 42138000

= 45249189
