No problem, we've got 6321 and 3160 to multiply
6321 × 3160 = 3160 × (6321)
+ 3160 × 1 which equals 3160
+ 3160 × 20 that results in 63200
+ 3160 × 300 producing 948000
+ 3160 × 6000 that is equal 18960000

= 19974360
