Alright, let's work through 4340 times 6406 step by step
4340 × 6406 = 6406 × (4340)
+ 6406 × 0 which equals 0
+ 6406 × 40 producing 256240
+ 6406 × 300 what gives us 1921800
+ 6406 × 4000 what gives us 25624000

= 27802040
