Alright, let's work through 3140 times 4344 step by step
3140 × 4344 = 4344 × (3140)
+ 4344 × 0 what gives us 0
+ 4344 × 40 that results in 173760
+ 4344 × 100 which equals 434400
+ 4344 × 3000 which equals 13032000

= 13640160
