Alright, let's work through 9115 times 8123 step by step
9115 × 8123 = 8123 × (9115)
+ 8123 × 5 yielding 40615
+ 8123 × 10 that is equal 81230
+ 8123 × 100 yielding 812300
+ 8123 × 9000 that is equal 73107000

= 74041145
