Alright, let's work through 19512697 times 34379609 step by step
19512697 × 34379609 = 34379609 × (19512697)
+ 34379609 × 7 what gives us 240657263
+ 34379609 × 90 resulting in 3094164810
+ 34379609 × 600 what gives us 20627765400
+ 34379609 × 2000 giving us 68759218000
+ 34379609 × 10000 that equals 343796090000
+ 34379609 × 500000 which equals 17189804500000
+ 34379609 × 9000000 producing 309416481000000
+ 34379609 × 10000000 that equals 343796090000000

= 670838893395473
