Alright, let's work through 1490 times 3432 step by step
1490 × 3432 = 3432 × (1490)
+ 3432 × 0 yielding 0
+ 3432 × 90 giving us 308880
+ 3432 × 400 producing 1372800
+ 3432 × 1000 producing 3432000

= 5113680
