Alright, let's work through 8122 times 8889 step by step
8122 × 8889 = 8889 × (8122)
+ 8889 × 2 that is equal 17778
+ 8889 × 20 resulting in 177780
+ 8889 × 100 that results in 888900
+ 8889 × 8000 producing 71112000

= 72196458
