Alright, let's work through 8486 times 8197 step by step
8486 × 8197 = 8197 × (8486)
+ 8197 × 6 resulting in 49182
+ 8197 × 80 that equals 655760
+ 8197 × 400 that equals 3278800
+ 8197 × 8000 that is equal 65576000

= 69559742
