Alright, let's work through 2999 times 7851 step by step
2999 × 7851 = 7851 × (2999)
+ 7851 × 9 that is equal 70659
+ 7851 × 90 that results in 706590
+ 7851 × 900 resulting in 7065900
+ 7851 × 2000 producing 15702000

= 23545149
