Alright, let's work through 4125 times 8539 step by step
4125 × 8539 = 8539 × (4125)
+ 8539 × 5 yielding 42695
+ 8539 × 20 yielding 170780
+ 8539 × 100 what gives us 853900
+ 8539 × 4000 yielding 34156000

= 35223375
