Alright, let's work through 3899 times 7323 step by step
3899 × 7323 = 7323 × (3899)
+ 7323 × 9 what gives us 65907
+ 7323 × 90 that results in 659070
+ 7323 × 800 which equals 5858400
+ 7323 × 3000 resulting in 21969000

= 28552377
