Alright, let's work through 5316903 times 13680049 step by step
5316903 × 13680049 = 13680049 × (5316903)
+ 13680049 × 3 yielding 41040147
+ 13680049 × 00 that is equal 0
+ 13680049 × 900 that results in 12312044100
+ 13680049 × 6000 producing 82080294000
+ 13680049 × 10000 giving us 136800490000
+ 13680049 × 300000 giving us 4104014700000
+ 13680049 × 5000000 resulting in 68400245000000

= 72735493568247
