No problem, we've got 4448 and 6428 to multiply
4448 × 6428 = 6428 × (4448)
+ 6428 × 8 giving us 51424
+ 6428 × 40 which equals 257120
+ 6428 × 400 what gives us 2571200
+ 6428 × 4000 resulting in 25712000

= 28591744
