Alright, let's work through 5712 times 2112 step by step
5712 × 2112 = 2112 × (5712)
+ 2112 × 2 producing 4224
+ 2112 × 10 resulting in 21120
+ 2112 × 700 that is equal 1478400
+ 2112 × 5000 that equals 10560000

= 12063744
