Alright, let's work through 4885 times 3871 step by step
4885 × 3871 = 3871 × (4885)
+ 3871 × 5 which equals 19355
+ 3871 × 80 which equals 309680
+ 3871 × 800 resulting in 3096800
+ 3871 × 4000 that equals 15484000

= 18909835
