Alright, let's work through 4830 times 2412 step by step
4830 × 2412 = 2412 × (4830)
+ 2412 × 0 which equals 0
+ 2412 × 30 yielding 72360
+ 2412 × 800 which equals 1929600
+ 2412 × 4000 resulting in 9648000

= 11649960
