Alright, let's work through 8105 times 7125 step by step
8105 × 7125 = 7125 × (8105)
+ 7125 × 5 giving us 35625
+ 7125 × 00 giving us 0
+ 7125 × 100 producing 712500
+ 7125 × 8000 yielding 57000000

= 57748125
