Alright, let's work through 2810 times 4228 step by step
2810 × 4228 = 4228 × (2810)
+ 4228 × 0 resulting in 0
+ 4228 × 10 that results in 42280
+ 4228 × 800 yielding 3382400
+ 4228 × 2000 producing 8456000

= 11880680
