Alright, let's work through 6411 times 6343 step by step
6411 × 6343 = 6343 × (6411)
+ 6343 × 1 what gives us 6343
+ 6343 × 10 that results in 63430
+ 6343 × 400 which equals 2537200
+ 6343 × 6000 that results in 38058000

= 40664973
