Let's calculate 3375 x 6321
3375 × 6321 = 6321 × (3375)
+ 6321 × 5 which equals 31605
+ 6321 × 70 what gives us 442470
+ 6321 × 300 that equals 1896300
+ 6321 × 3000 what gives us 18963000

= 21333375
