Alright, let's work through 99400422 times 45789197 step by step
99400422 × 45789197 = 45789197 × (99400422)
+ 45789197 × 2 what gives us 91578394
+ 45789197 × 20 producing 915783940
+ 45789197 × 400 what gives us 18315678800
+ 45789197 × 0000 what gives us 0
+ 45789197 × 00000 that results in 0
+ 45789197 × 400000 producing 18315678800000
+ 45789197 × 9000000 producing 412102773000000
+ 45789197 × 90000000 resulting in 4121027730000000

= 4551465504841134
