No problem, we've got 5831 and 3723 to multiply
5831 × 3723 = 3723 × (5831)
+ 3723 × 1 producing 3723
+ 3723 × 30 which equals 111690
+ 3723 × 800 what gives us 2978400
+ 3723 × 5000 yielding 18615000

= 21708813
