Let's calculate 5525 x 3665
5525 × 3665 = 3665 × (5525)
+ 3665 × 5 what gives us 18325
+ 3665 × 20 producing 73300
+ 3665 × 500 what gives us 1832500
+ 3665 × 5000 that results in 18325000

= 20249125
