Alright, let's work through 13121504 times 8467363 step by step
13121504 × 8467363 = 8467363 × (13121504)
+ 8467363 × 4 resulting in 33869452
+ 8467363 × 00 that results in 0
+ 8467363 × 500 giving us 4233681500
+ 8467363 × 1000 yielding 8467363000
+ 8467363 × 20000 that results in 169347260000
+ 8467363 × 100000 what gives us 846736300000
+ 8467363 × 3000000 giving us 25402089000000
+ 8467363 × 10000000 what gives us 84673630000000

= 111104537473952
