Alright, let's work through 9866 times 8738 step by step
9866 × 8738 = 8738 × (9866)
+ 8738 × 6 producing 52428
+ 8738 × 60 producing 524280
+ 8738 × 800 what gives us 6990400
+ 8738 × 9000 producing 78642000

= 86209108
