Alright, let's work through 9866 times 7937 step by step
9866 × 7937 = 7937 × (9866)
+ 7937 × 6 resulting in 47622
+ 7937 × 60 that is equal 476220
+ 7937 × 800 producing 6349600
+ 7937 × 9000 resulting in 71433000

= 78306442
