Alright, let's work through 8359 times 9951 step by step
8359 × 9951 = 9951 × (8359)
+ 9951 × 9 which equals 89559
+ 9951 × 50 giving us 497550
+ 9951 × 300 which equals 2985300
+ 9951 × 8000 that equals 79608000

= 83180409
