Alright, let's work through 2615 times 3983 step by step
2615 × 3983 = 3983 × (2615)
+ 3983 × 5 yielding 19915
+ 3983 × 10 that is equal 39830
+ 3983 × 600 yielding 2389800
+ 3983 × 2000 which equals 7966000

= 10415545
