Alright, let's work through 6434 times 3861 step by step
6434 × 3861 = 3861 × (6434)
+ 3861 × 4 that is equal 15444
+ 3861 × 30 which equals 115830
+ 3861 × 400 that results in 1544400
+ 3861 × 6000 which equals 23166000

= 24841674
