Alright, let's work through 8107 times 1115 step by step
8107 × 1115 = 1115 × (8107)
+ 1115 × 7 giving us 7805
+ 1115 × 00 that equals 0
+ 1115 × 100 which equals 111500
+ 1115 × 8000 what gives us 8920000

= 9039305
