Alright, let's work through 8402 times 2452 step by step
8402 × 2452 = 2452 × (8402)
+ 2452 × 2 resulting in 4904
+ 2452 × 00 yielding 0
+ 2452 × 400 which equals 980800
+ 2452 × 8000 producing 19616000

= 20601704
