Alright, let's work through 67991818 times 31189704 step by step
67991818 × 31189704 = 31189704 × (67991818)
+ 31189704 × 8 producing 249517632
+ 31189704 × 10 what gives us 311897040
+ 31189704 × 800 resulting in 24951763200
+ 31189704 × 1000 producing 31189704000
+ 31189704 × 90000 that is equal 2807073360000
+ 31189704 × 900000 that results in 28070733600000
+ 31189704 × 7000000 resulting in 218327928000000
+ 31189704 × 60000000 that results in 1871382240000000

= 2120644677841872
