Alright, let's work through 5451 times 2866 step by step
5451 × 2866 = 2866 × (5451)
+ 2866 × 1 that results in 2866
+ 2866 × 50 that equals 143300
+ 2866 × 400 that is equal 1146400
+ 2866 × 5000 producing 14330000

= 15622566
