Alright, let's work through 8340 times 6444 step by step
8340 × 6444 = 6444 × (8340)
+ 6444 × 0 producing 0
+ 6444 × 40 what gives us 257760
+ 6444 × 300 that results in 1933200
+ 6444 × 8000 giving us 51552000

= 53742960
