Alright, let's work through 7859 times 649 step by step
7859 × 649 = 649 × (7859)
+ 649 × 9 that results in 5841
+ 649 × 50 resulting in 32450
+ 649 × 800 resulting in 519200
+ 649 × 7000 producing 4543000

= 5100491
