Alright, let's work through 6436 times 1329 step by step
6436 × 1329 = 1329 × (6436)
+ 1329 × 6 resulting in 7974
+ 1329 × 30 yielding 39870
+ 1329 × 400 giving us 531600
+ 1329 × 6000 that equals 7974000

= 8553444
