Alright, let's work through 67069969 times 72990315 step by step
67069969 × 72990315 = 72990315 × (67069969)
+ 72990315 × 9 producing 656912835
+ 72990315 × 60 what gives us 4379418900
+ 72990315 × 900 resulting in 65691283500
+ 72990315 × 9000 giving us 656912835000
+ 72990315 × 60000 yielding 4379418900000
+ 72990315 × 000000 that equals 0
+ 72990315 × 7000000 giving us 510932205000000
+ 72990315 × 60000000 resulting in 4379418900000000

= 4895458164350235
