Alright, let's work through 8993 times 3815 step by step
8993 × 3815 = 3815 × (8993)
+ 3815 × 3 giving us 11445
+ 3815 × 90 yielding 343350
+ 3815 × 900 what gives us 3433500
+ 3815 × 8000 what gives us 30520000

= 34308295
