Alright, let's work through 2863 times 2273 step by step
2863 × 2273 = 2273 × (2863)
+ 2273 × 3 that results in 6819
+ 2273 × 60 producing 136380
+ 2273 × 800 what gives us 1818400
+ 2273 × 2000 yielding 4546000

= 6507599
