Alright, let's work through 6740980 times 728818 step by step
6740980 × 728818 = 728818 × (6740980)
+ 728818 × 0 resulting in 0
+ 728818 × 80 resulting in 58305440
+ 728818 × 900 producing 655936200
+ 728818 × 0000 giving us 0
+ 728818 × 40000 producing 29152720000
+ 728818 × 700000 resulting in 510172600000
+ 728818 × 6000000 resulting in 4372908000000

= 4912947561640
