Alright, let's work through 18804902 times 36635918 step by step
18804902 × 36635918 = 36635918 × (18804902)
+ 36635918 × 2 that results in 73271836
+ 36635918 × 00 yielding 0
+ 36635918 × 900 that is equal 32972326200
+ 36635918 × 4000 producing 146543672000
+ 36635918 × 00000 that is equal 0
+ 36635918 × 800000 resulting in 29308734400000
+ 36635918 × 8000000 that equals 293087344000000
+ 36635918 × 10000000 that is equal 366359180000000

= 688934847670036
