Alright, let's work through 3615 times 8387 step by step
3615 × 8387 = 8387 × (3615)
+ 8387 × 5 that results in 41935
+ 8387 × 10 that results in 83870
+ 8387 × 600 what gives us 5032200
+ 8387 × 3000 yielding 25161000

= 30319005
