No problem, we've got 3555 and 6630 to multiply
3555 × 6630 = 6630 × (3555)
+ 6630 × 5 giving us 33150
+ 6630 × 50 yielding 331500
+ 6630 × 500 which equals 3315000
+ 6630 × 3000 giving us 19890000

= 23569650
