Alright, let's work through 4869 times 2400 step by step
4869 × 2400 = 2400 × (4869)
+ 2400 × 9 yielding 21600
+ 2400 × 60 yielding 144000
+ 2400 × 800 which equals 1920000
+ 2400 × 4000 giving us 9600000

= 11685600
