Alright, let's work through 6421 times 5072 step by step
6421 × 5072 = 5072 × (6421)
+ 5072 × 1 that is equal 5072
+ 5072 × 20 that results in 101440
+ 5072 × 400 yielding 2028800
+ 5072 × 6000 giving us 30432000

= 32567312
