No problem, we've got 6606 and 5912 to multiply
6606 × 5912 = 5912 × (6606)
+ 5912 × 6 that results in 35472
+ 5912 × 00 giving us 0
+ 5912 × 600 what gives us 3547200
+ 5912 × 6000 resulting in 35472000

= 39054672
