Alright, let's work through 5278 times 3664 step by step
5278 × 3664 = 3664 × (5278)
+ 3664 × 8 that equals 29312
+ 3664 × 70 which equals 256480
+ 3664 × 200 that results in 732800
+ 3664 × 5000 giving us 18320000

= 19338592
