Alright, let's work through 15196436 times 79959312 step by step
15196436 × 79959312 = 79959312 × (15196436)
+ 79959312 × 6 resulting in 479755872
+ 79959312 × 30 what gives us 2398779360
+ 79959312 × 400 yielding 31983724800
+ 79959312 × 6000 giving us 479755872000
+ 79959312 × 90000 which equals 7196338080000
+ 79959312 × 100000 resulting in 7995931200000
+ 79959312 × 5000000 resulting in 399796560000000
+ 79959312 × 10000000 yielding 799593120000000

= 1215096567412032
