Alright, let's work through 3007 times 8619 step by step
3007 × 8619 = 8619 × (3007)
+ 8619 × 7 resulting in 60333
+ 8619 × 00 resulting in 0
+ 8619 × 000 which equals 0
+ 8619 × 3000 producing 25857000

= 25917333
