Alright, let's work through 8638 times 3203 step by step
8638 × 3203 = 3203 × (8638)
+ 3203 × 8 producing 25624
+ 3203 × 30 producing 96090
+ 3203 × 600 that is equal 1921800
+ 3203 × 8000 that equals 25624000

= 27667514
