Alright, let's work through 8105 times 9016 step by step
8105 × 9016 = 9016 × (8105)
+ 9016 × 5 what gives us 45080
+ 9016 × 00 giving us 0
+ 9016 × 100 which equals 901600
+ 9016 × 8000 yielding 72128000

= 73074680
