No problem, we've got 3631 and 3823 to multiply
3631 × 3823 = 3823 × (3631)
+ 3823 × 1 that results in 3823
+ 3823 × 30 what gives us 114690
+ 3823 × 600 yielding 2293800
+ 3823 × 3000 resulting in 11469000

= 13881313
