Alright, let's work through 6399 times 4929 step by step
6399 × 4929 = 4929 × (6399)
+ 4929 × 9 giving us 44361
+ 4929 × 90 resulting in 443610
+ 4929 × 300 yielding 1478700
+ 4929 × 6000 what gives us 29574000

= 31540671
