Alright, let's work through 99780404 times 35435933 step by step
99780404 × 35435933 = 35435933 × (99780404)
+ 35435933 × 4 producing 141743732
+ 35435933 × 00 producing 0
+ 35435933 × 400 giving us 14174373200
+ 35435933 × 0000 producing 0
+ 35435933 × 80000 what gives us 2834874640000
+ 35435933 × 700000 that is equal 24805153100000
+ 35435933 × 9000000 resulting in 318923397000000
+ 35435933 × 90000000 giving us 3189233970000000

= 3535811710856932
