Alright, let's work through 3180 times 7131 step by step
3180 × 7131 = 7131 × (3180)
+ 7131 × 0 yielding 0
+ 7131 × 80 producing 570480
+ 7131 × 100 resulting in 713100
+ 7131 × 3000 yielding 21393000

= 22676580
