No problem, we've got 3629 and 5185 to multiply
3629 × 5185 = 5185 × (3629)
+ 5185 × 9 that equals 46665
+ 5185 × 20 that equals 103700
+ 5185 × 600 that is equal 3111000
+ 5185 × 3000 resulting in 15555000

= 18816365
