Alright, let's work through 3490 times 5304 step by step
3490 × 5304 = 5304 × (3490)
+ 5304 × 0 that results in 0
+ 5304 × 90 giving us 477360
+ 5304 × 400 that results in 2121600
+ 5304 × 3000 yielding 15912000

= 18510960
