Alright, let's work through 3664 times 5488 step by step
3664 × 5488 = 5488 × (3664)
+ 5488 × 4 which equals 21952
+ 5488 × 60 that equals 329280
+ 5488 × 600 which equals 3292800
+ 5488 × 3000 giving us 16464000

= 20108032
