No problem, we've got 6195 and 628 to multiply
6195 × 628 = 628 × (6195)
+ 628 × 5 giving us 3140
+ 628 × 90 that results in 56520
+ 628 × 100 that results in 62800
+ 628 × 6000 what gives us 3768000

= 3890460
