Alright, let's work through 6311 times 1329 step by step
6311 × 1329 = 1329 × (6311)
+ 1329 × 1 what gives us 1329
+ 1329 × 10 what gives us 13290
+ 1329 × 300 producing 398700
+ 1329 × 6000 that is equal 7974000

= 8387319
