Alright, let's work through 3494 times 3604 step by step
3494 × 3604 = 3604 × (3494)
+ 3604 × 4 which equals 14416
+ 3604 × 90 what gives us 324360
+ 3604 × 400 producing 1441600
+ 3604 × 3000 that equals 10812000

= 12592376
