Alright, let's work through 8015 times 4390 step by step
8015 × 4390 = 4390 × (8015)
+ 4390 × 5 that equals 21950
+ 4390 × 10 yielding 43900
+ 4390 × 000 producing 0
+ 4390 × 8000 what gives us 35120000

= 35185850
