Alright, let's work through 3504 times 3398 step by step
3504 × 3398 = 3398 × (3504)
+ 3398 × 4 which equals 13592
+ 3398 × 00 that is equal 0
+ 3398 × 500 yielding 1699000
+ 3398 × 3000 producing 10194000

= 11906592
