Alright, let's work through 8413 times 520 step by step
8413 × 520 = 520 × (8413)
+ 520 × 3 producing 1560
+ 520 × 10 that equals 5200
+ 520 × 400 giving us 208000
+ 520 × 8000 resulting in 4160000

= 4374760
