Alright, let's work through 2425 times 6661 step by step
2425 × 6661 = 6661 × (2425)
+ 6661 × 5 which equals 33305
+ 6661 × 20 which equals 133220
+ 6661 × 400 yielding 2664400
+ 6661 × 2000 resulting in 13322000

= 16152925
