Alright, let's work through 4096 times 5128 step by step
4096 × 5128 = 5128 × (4096)
+ 5128 × 6 yielding 30768
+ 5128 × 90 resulting in 461520
+ 5128 × 000 which equals 0
+ 5128 × 4000 that results in 20512000

= 21004288
