Alright, let's work through 3711 times 9728 step by step
3711 × 9728 = 9728 × (3711)
+ 9728 × 1 that equals 9728
+ 9728 × 10 producing 97280
+ 9728 × 700 what gives us 6809600
+ 9728 × 3000 producing 29184000

= 36100608
