Alright, let's work through 16498420 times 21759789 step by step
16498420 × 21759789 = 21759789 × (16498420)
+ 21759789 × 0 what gives us 0
+ 21759789 × 20 what gives us 435195780
+ 21759789 × 400 which equals 8703915600
+ 21759789 × 8000 resulting in 174078312000
+ 21759789 × 90000 what gives us 1958381010000
+ 21759789 × 400000 that is equal 8703915600000
+ 21759789 × 6000000 giving us 130558734000000
+ 21759789 × 10000000 that equals 217597890000000

= 359002138033380
