Alright, let's work through 9728 times 9988 step by step
9728 × 9988 = 9988 × (9728)
+ 9988 × 8 what gives us 79904
+ 9988 × 20 that equals 199760
+ 9988 × 700 that equals 6991600
+ 9988 × 9000 that equals 89892000

= 97163264
