Alright, let's work through 1490 times 1680 step by step
1490 × 1680 = 1680 × (1490)
+ 1680 × 0 producing 0
+ 1680 × 90 that results in 151200
+ 1680 × 400 what gives us 672000
+ 1680 × 1000 yielding 1680000

= 2503200
