No problem, we've got 6428 and 4630 to multiply
6428 × 4630 = 4630 × (6428)
+ 4630 × 8 yielding 37040
+ 4630 × 20 what gives us 92600
+ 4630 × 400 resulting in 1852000
+ 4630 × 6000 which equals 27780000

= 29761640
