Alright, let's work through 9864 times 256 step by step
9864 × 256 = 256 × (9864)
+ 256 × 4 producing 1024
+ 256 × 60 resulting in 15360
+ 256 × 800 which equals 204800
+ 256 × 9000 which equals 2304000

= 2525184
