Alright, let's work through 19379120 times 99939402 step by step
19379120 × 99939402 = 99939402 × (19379120)
+ 99939402 × 0 that is equal 0
+ 99939402 × 20 what gives us 1998788040
+ 99939402 × 100 that equals 9993940200
+ 99939402 × 9000 which equals 899454618000
+ 99939402 × 70000 yielding 6995758140000
+ 99939402 × 300000 resulting in 29981820600000
+ 99939402 × 9000000 which equals 899454618000000
+ 99939402 × 10000000 that equals 999394020000000

= 1936737664086240
