Alright, let's work through 1280 times 2750 step by step
1280 × 2750 = 2750 × (1280)
+ 2750 × 0 which equals 0
+ 2750 × 80 that is equal 220000
+ 2750 × 200 giving us 550000
+ 2750 × 1000 that equals 2750000

= 3520000
