Alright, let's work through 2136 times 4864 step by step
2136 × 4864 = 4864 × (2136)
+ 4864 × 6 resulting in 29184
+ 4864 × 30 yielding 145920
+ 4864 × 100 what gives us 486400
+ 4864 × 2000 producing 9728000

= 10389504
