Alright, let's work through 6421 times 5824 step by step
6421 × 5824 = 5824 × (6421)
+ 5824 × 1 yielding 5824
+ 5824 × 20 that equals 116480
+ 5824 × 400 that is equal 2329600
+ 5824 × 6000 which equals 34944000

= 37395904
