Alright, let's work through 2991 times 8359 step by step
2991 × 8359 = 8359 × (2991)
+ 8359 × 1 giving us 8359
+ 8359 × 90 producing 752310
+ 8359 × 900 resulting in 7523100
+ 8359 × 2000 producing 16718000

= 25001769
