Alright, let's work through 1440 times 5670 step by step
1440 × 5670 = 5670 × (1440)
+ 5670 × 0 giving us 0
+ 5670 × 40 producing 226800
+ 5670 × 400 giving us 2268000
+ 5670 × 1000 that is equal 5670000

= 8164800
