Alright, let's work through 67967718 times 91490991 step by step
67967718 × 91490991 = 91490991 × (67967718)
+ 91490991 × 8 what gives us 731927928
+ 91490991 × 10 giving us 914909910
+ 91490991 × 700 that is equal 64043693700
+ 91490991 × 7000 producing 640436937000
+ 91490991 × 60000 that is equal 5489459460000
+ 91490991 × 900000 what gives us 82341891900000
+ 91490991 × 7000000 giving us 640436937000000
+ 91490991 × 60000000 producing 5489459460000000

= 6218433875828538
