Alright, let's work through 1280 times 2788 step by step
1280 × 2788 = 2788 × (1280)
+ 2788 × 0 yielding 0
+ 2788 × 80 what gives us 223040
+ 2788 × 200 giving us 557600
+ 2788 × 1000 giving us 2788000

= 3568640
