Alright, let's work through 18660840 times 51299262 step by step
18660840 × 51299262 = 51299262 × (18660840)
+ 51299262 × 0 that equals 0
+ 51299262 × 40 resulting in 2051970480
+ 51299262 × 800 producing 41039409600
+ 51299262 × 0000 yielding 0
+ 51299262 × 60000 that equals 3077955720000
+ 51299262 × 600000 resulting in 30779557200000
+ 51299262 × 8000000 that results in 410394096000000
+ 51299262 × 10000000 that is equal 512992620000000

= 957287320300080
