No problem, we've got 6321 and 6156 to multiply
6321 × 6156 = 6156 × (6321)
+ 6156 × 1 that results in 6156
+ 6156 × 20 that equals 123120
+ 6156 × 300 which equals 1846800
+ 6156 × 6000 which equals 36936000

= 38912076
