Alright, let's work through 8366 times 8090 step by step
8366 × 8090 = 8090 × (8366)
+ 8090 × 6 which equals 48540
+ 8090 × 60 producing 485400
+ 8090 × 300 giving us 2427000
+ 8090 × 8000 what gives us 64720000

= 67680940
