Alright, let's work through 5712 times 6764 step by step
5712 × 6764 = 6764 × (5712)
+ 6764 × 2 that is equal 13528
+ 6764 × 10 that results in 67640
+ 6764 × 700 resulting in 4734800
+ 6764 × 5000 which equals 33820000

= 38635968
