Alright, let's work through 18135545 times 26076811 step by step
18135545 × 26076811 = 26076811 × (18135545)
+ 26076811 × 5 resulting in 130384055
+ 26076811 × 40 giving us 1043072440
+ 26076811 × 500 that equals 13038405500
+ 26076811 × 5000 which equals 130384055000
+ 26076811 × 30000 that equals 782304330000
+ 26076811 × 100000 giving us 2607681100000
+ 26076811 × 8000000 which equals 208614488000000
+ 26076811 × 10000000 that equals 260768110000000

= 472917179346995
