Alright, let's work through 8170 times 6561 step by step
8170 × 6561 = 6561 × (8170)
+ 6561 × 0 that equals 0
+ 6561 × 70 that equals 459270
+ 6561 × 100 yielding 656100
+ 6561 × 8000 yielding 52488000

= 53603370
