Alright, let's work through 8623 times 5881 step by step
8623 × 5881 = 5881 × (8623)
+ 5881 × 3 resulting in 17643
+ 5881 × 20 that is equal 117620
+ 5881 × 600 resulting in 3528600
+ 5881 × 8000 yielding 47048000

= 50711863
