Alright, let's work through 8545 times 8287 step by step
8545 × 8287 = 8287 × (8545)
+ 8287 × 5 which equals 41435
+ 8287 × 40 that is equal 331480
+ 8287 × 500 that is equal 4143500
+ 8287 × 8000 resulting in 66296000

= 70812415
