Alright, let's work through 5728 times 3711 step by step
5728 × 3711 = 3711 × (5728)
+ 3711 × 8 that equals 29688
+ 3711 × 20 which equals 74220
+ 3711 × 700 that results in 2597700
+ 3711 × 5000 what gives us 18555000

= 21256608
