We're going to solve 4905 multiplied by 3636
4905 × 3636 = 3636 × (4905)
+ 3636 × 5 that is equal 18180
+ 3636 × 00 that results in 0
+ 3636 × 900 resulting in 3272400
+ 3636 × 4000 producing 14544000

= 17834580
