Alright, let's work through 2500 times 2857 step by step
2500 × 2857 = 2857 × (2500)
+ 2857 × 0 yielding 0
+ 2857 × 00 producing 0
+ 2857 × 500 giving us 1428500
+ 2857 × 2000 producing 5714000

= 7142500
