Alright, let's work through 3560 times 3415 step by step
3560 × 3415 = 3415 × (3560)
+ 3415 × 0 producing 0
+ 3415 × 60 that equals 204900
+ 3415 × 500 that is equal 1707500
+ 3415 × 3000 resulting in 10245000

= 12157400
