Alright, let's work through 8623 times 810 step by step
8623 × 810 = 810 × (8623)
+ 810 × 3 giving us 2430
+ 810 × 20 that equals 16200
+ 810 × 600 yielding 486000
+ 810 × 8000 which equals 6480000

= 6984630
