Alright, let's work through 3860 times 5271 step by step
3860 × 5271 = 5271 × (3860)
+ 5271 × 0 that is equal 0
+ 5271 × 60 what gives us 316260
+ 5271 × 800 giving us 4216800
+ 5271 × 3000 yielding 15813000

= 20346060
