No problem, we've got 3090 and 3963 to multiply
3090 × 3963 = 3963 × (3090)
+ 3963 × 0 that equals 0
+ 3963 × 90 yielding 356670
+ 3963 × 000 which equals 0
+ 3963 × 3000 that is equal 11889000

= 12245670
