Alright, let's work through 9939 times 9939 step by step
9939 × 9939 = 9939 × (9939)
+ 9939 × 9 giving us 89451
+ 9939 × 30 that is equal 298170
+ 9939 × 900 giving us 8945100
+ 9939 × 9000 resulting in 89451000

= 98783721
