Alright, let's work through 3985 times 4310 step by step
3985 × 4310 = 4310 × (3985)
+ 4310 × 5 resulting in 21550
+ 4310 × 80 yielding 344800
+ 4310 × 900 producing 3879000
+ 4310 × 3000 that results in 12930000

= 17175350
