No problem, we've got 4290 and 5128 to multiply
4290 × 5128 = 5128 × (4290)
+ 5128 × 0 giving us 0
+ 5128 × 90 which equals 461520
+ 5128 × 200 which equals 1025600
+ 5128 × 4000 yielding 20512000

= 21999120
