No problem, we've got 5183 and 4065 to multiply
5183 × 4065 = 4065 × (5183)
+ 4065 × 3 giving us 12195
+ 4065 × 80 giving us 325200
+ 4065 × 100 producing 406500
+ 4065 × 5000 that is equal 20325000

= 21068895
