Alright, let's work through 8389 times 4538 step by step
8389 × 4538 = 4538 × (8389)
+ 4538 × 9 that equals 40842
+ 4538 × 80 what gives us 363040
+ 4538 × 300 that is equal 1361400
+ 4538 × 8000 resulting in 36304000

= 38069282
