Alright, let's work through 7140 times 3318 step by step
7140 × 3318 = 3318 × (7140)
+ 3318 × 0 resulting in 0
+ 3318 × 40 which equals 132720
+ 3318 × 100 resulting in 331800
+ 3318 × 7000 that results in 23226000

= 23690520
