Alright, let's work through 33520117 times 99117999 step by step
33520117 × 99117999 = 99117999 × (33520117)
+ 99117999 × 7 that equals 693825993
+ 99117999 × 10 resulting in 991179990
+ 99117999 × 100 what gives us 9911799900
+ 99117999 × 0000 resulting in 0
+ 99117999 × 20000 that equals 1982359980000
+ 99117999 × 500000 resulting in 49558999500000
+ 99117999 × 3000000 producing 297353997000000
+ 99117999 × 30000000 which equals 2973539970000000

= 3322446923285883
