No problem, we've got 2858 and 4456 to multiply
2858 × 4456 = 4456 × (2858)
+ 4456 × 8 giving us 35648
+ 4456 × 50 resulting in 222800
+ 4456 × 800 that results in 3564800
+ 4456 × 2000 what gives us 8912000

= 12735248
