Alright, let's work through 13686372 times 34690745 step by step
13686372 × 34690745 = 34690745 × (13686372)
+ 34690745 × 2 resulting in 69381490
+ 34690745 × 70 giving us 2428352150
+ 34690745 × 300 yielding 10407223500
+ 34690745 × 6000 which equals 208144470000
+ 34690745 × 80000 which equals 2775259600000
+ 34690745 × 600000 that results in 20814447000000
+ 34690745 × 3000000 that equals 104072235000000
+ 34690745 × 10000000 yielding 346907450000000

= 474790441027140
