Alright, let's work through 6340 times 1076 step by step
6340 × 1076 = 1076 × (6340)
+ 1076 × 0 giving us 0
+ 1076 × 40 giving us 43040
+ 1076 × 300 that equals 322800
+ 1076 × 6000 producing 6456000

= 6821840
