Let's calculate 3825 x 6321
3825 × 6321 = 6321 × (3825)
+ 6321 × 5 resulting in 31605
+ 6321 × 20 that results in 126420
+ 6321 × 800 yielding 5056800
+ 6321 × 3000 that results in 18963000

= 24177825
