No problem, we've got 4628 and 6628 to multiply
4628 × 6628 = 6628 × (4628)
+ 6628 × 8 resulting in 53024
+ 6628 × 20 what gives us 132560
+ 6628 × 600 what gives us 3976800
+ 6628 × 4000 giving us 26512000

= 30674384
