Alright, let's work through 19213812 times 19909602 step by step
19213812 × 19909602 = 19909602 × (19213812)
+ 19909602 × 2 that equals 39819204
+ 19909602 × 10 that results in 199096020
+ 19909602 × 800 that results in 15927681600
+ 19909602 × 3000 yielding 59728806000
+ 19909602 × 10000 that equals 199096020000
+ 19909602 × 200000 that equals 3981920400000
+ 19909602 × 9000000 yielding 179186418000000
+ 19909602 × 10000000 that is equal 199096020000000

= 382539349822824
