Alright, let's work through 8680 times 1164 step by step
8680 × 1164 = 1164 × (8680)
+ 1164 × 0 which equals 0
+ 1164 × 80 that equals 93120
+ 1164 × 600 yielding 698400
+ 1164 × 8000 producing 9312000

= 10103520
