Alright, let's work through 3141 times 4064 step by step
3141 × 4064 = 4064 × (3141)
+ 4064 × 1 resulting in 4064
+ 4064 × 40 that equals 162560
+ 4064 × 100 that is equal 406400
+ 4064 × 3000 that equals 12192000

= 12765024
