Alright, let's work through 2800 times 4630 step by step
2800 × 4630 = 4630 × (2800)
+ 4630 × 0 yielding 0
+ 4630 × 00 giving us 0
+ 4630 × 800 that is equal 3704000
+ 4630 × 2000 yielding 9260000

= 12964000
