Alright, let's work through 2451 times 7700 step by step
2451 × 7700 = 7700 × (2451)
+ 7700 × 1 that results in 7700
+ 7700 × 50 that is equal 385000
+ 7700 × 400 producing 3080000
+ 7700 × 2000 yielding 15400000

= 18872700
