Alright, let's work through 2144 times 6471 step by step
2144 × 6471 = 6471 × (2144)
+ 6471 × 4 yielding 25884
+ 6471 × 40 yielding 258840
+ 6471 × 100 resulting in 647100
+ 6471 × 2000 which equals 12942000

= 13873824
