No problem, we've got 4683 and 9921 to multiply
4683 × 9921 = 9921 × (4683)
+ 9921 × 3 what gives us 29763
+ 9921 × 80 giving us 793680
+ 9921 × 600 what gives us 5952600
+ 9921 × 4000 which equals 39684000

= 46460043
