Alright, let's work through 13361623 times 27377469 step by step
13361623 × 27377469 = 27377469 × (13361623)
+ 27377469 × 3 what gives us 82132407
+ 27377469 × 20 which equals 547549380
+ 27377469 × 600 that is equal 16426481400
+ 27377469 × 1000 resulting in 27377469000
+ 27377469 × 60000 producing 1642648140000
+ 27377469 × 300000 that results in 8213240700000
+ 27377469 × 3000000 that equals 82132407000000
+ 27377469 × 10000000 producing 273774690000000

= 365807419472187
