Alright, let's work through 99670908 times 66066243 step by step
99670908 × 66066243 = 66066243 × (99670908)
+ 66066243 × 8 that is equal 528529944
+ 66066243 × 00 which equals 0
+ 66066243 × 900 giving us 59459618700
+ 66066243 × 0000 what gives us 0
+ 66066243 × 70000 that is equal 4624637010000
+ 66066243 × 600000 which equals 39639745800000
+ 66066243 × 9000000 producing 594596187000000
+ 66066243 × 90000000 which equals 5945961870000000

= 6584882427958644
