Alright, let's work through 3639 times 7233 step by step
3639 × 7233 = 7233 × (3639)
+ 7233 × 9 that equals 65097
+ 7233 × 30 that equals 216990
+ 7233 × 600 that results in 4339800
+ 7233 × 3000 which equals 21699000

= 26320887
