Alright, let's work through 5727 times 4155 step by step
5727 × 4155 = 4155 × (5727)
+ 4155 × 7 resulting in 29085
+ 4155 × 20 that is equal 83100
+ 4155 × 700 producing 2908500
+ 4155 × 5000 that results in 20775000

= 23795685
