Alright, let's work through 3140 times 7218 step by step
3140 × 7218 = 7218 × (3140)
+ 7218 × 0 that equals 0
+ 7218 × 40 that results in 288720
+ 7218 × 100 what gives us 721800
+ 7218 × 3000 that is equal 21654000

= 22664520
