Alright, let's work through 7140 times 8572 step by step
7140 × 8572 = 8572 × (7140)
+ 8572 × 0 which equals 0
+ 8572 × 40 resulting in 342880
+ 8572 × 100 giving us 857200
+ 8572 × 7000 producing 60004000

= 61204080
