Alright, let's work through 6411 times 6348 step by step
6411 × 6348 = 6348 × (6411)
+ 6348 × 1 that results in 6348
+ 6348 × 10 giving us 63480
+ 6348 × 400 that results in 2539200
+ 6348 × 6000 yielding 38088000

= 40697028
