No problem, we've got 5123 and 3636 to multiply
5123 × 3636 = 3636 × (5123)
+ 3636 × 3 producing 10908
+ 3636 × 20 that is equal 72720
+ 3636 × 100 producing 363600
+ 3636 × 5000 producing 18180000

= 18627228
