Alright, let's work through 2860 times 1273 step by step
2860 × 1273 = 1273 × (2860)
+ 1273 × 0 which equals 0
+ 1273 × 60 what gives us 76380
+ 1273 × 800 what gives us 1018400
+ 1273 × 2000 that results in 2546000

= 3640780
