Alright, let's work through 8205 times 3897 step by step
8205 × 3897 = 3897 × (8205)
+ 3897 × 5 which equals 19485
+ 3897 × 00 that results in 0
+ 3897 × 200 which equals 779400
+ 3897 × 8000 which equals 31176000

= 31974885
