Alright, let's work through 4389 times 1996 step by step
4389 × 1996 = 1996 × (4389)
+ 1996 × 9 that results in 17964
+ 1996 × 80 which equals 159680
+ 1996 × 300 resulting in 598800
+ 1996 × 4000 that equals 7984000

= 8760444
