Alright, let's work through 6348 times 1381 step by step
6348 × 1381 = 1381 × (6348)
+ 1381 × 8 giving us 11048
+ 1381 × 40 which equals 55240
+ 1381 × 300 giving us 414300
+ 1381 × 6000 yielding 8286000

= 8766588
