Alright, let's work through 9909 times 6661 step by step
9909 × 6661 = 6661 × (9909)
+ 6661 × 9 that is equal 59949
+ 6661 × 00 giving us 0
+ 6661 × 900 that is equal 5994900
+ 6661 × 9000 what gives us 59949000

= 66003849
