Alright, let's work through 3364 times 8578 step by step
3364 × 8578 = 8578 × (3364)
+ 8578 × 4 what gives us 34312
+ 8578 × 60 what gives us 514680
+ 8578 × 300 giving us 2573400
+ 8578 × 3000 producing 25734000

= 28856392
