Alright, let's work through 18708512 times 38860041 step by step
18708512 × 38860041 = 38860041 × (18708512)
+ 38860041 × 2 that equals 77720082
+ 38860041 × 10 resulting in 388600410
+ 38860041 × 500 which equals 19430020500
+ 38860041 × 8000 that equals 310880328000
+ 38860041 × 00000 yielding 0
+ 38860041 × 700000 resulting in 27202028700000
+ 38860041 × 8000000 what gives us 310880328000000
+ 38860041 × 10000000 which equals 388600410000000

= 727013543368992
