Alright, let's work through 79669398 times 64235194 step by step
79669398 × 64235194 = 64235194 × (79669398)
+ 64235194 × 8 yielding 513881552
+ 64235194 × 90 what gives us 5781167460
+ 64235194 × 300 giving us 19270558200
+ 64235194 × 9000 yielding 578116746000
+ 64235194 × 60000 producing 3854111640000
+ 64235194 × 600000 that is equal 38541116400000
+ 64235194 × 9000000 what gives us 578116746000000
+ 64235194 × 70000000 producing 4496463580000000

= 5117579236393212
