Alright, let's work through 17980809 times 34579805 step by step
17980809 × 34579805 = 34579805 × (17980809)
+ 34579805 × 9 resulting in 311218245
+ 34579805 × 00 giving us 0
+ 34579805 × 800 yielding 27663844000
+ 34579805 × 0000 what gives us 0
+ 34579805 × 80000 what gives us 2766384400000
+ 34579805 × 900000 that equals 31121824500000
+ 34579805 × 7000000 that results in 242058635000000
+ 34579805 × 10000000 giving us 345798050000000

= 621772868962245
