Alright, let's work through 4190 times 1024 step by step
4190 × 1024 = 1024 × (4190)
+ 1024 × 0 what gives us 0
+ 1024 × 90 what gives us 92160
+ 1024 × 100 what gives us 102400
+ 1024 × 4000 yielding 4096000

= 4290560
