Alright, let's work through 8371 times 520 step by step
8371 × 520 = 520 × (8371)
+ 520 × 1 that equals 520
+ 520 × 70 producing 36400
+ 520 × 300 what gives us 156000
+ 520 × 8000 that equals 4160000

= 4352920
