Alright, let's work through 3598 times 7891 step by step
3598 × 7891 = 7891 × (3598)
+ 7891 × 8 yielding 63128
+ 7891 × 90 that equals 710190
+ 7891 × 500 that results in 3945500
+ 7891 × 3000 that results in 23673000

= 28391818
