Alright, let's work through 8160 times 9251 step by step
8160 × 9251 = 9251 × (8160)
+ 9251 × 0 resulting in 0
+ 9251 × 60 giving us 555060
+ 9251 × 100 that results in 925100
+ 9251 × 8000 producing 74008000

= 75488160
