Alright, let's work through 77217379 times 68834738 step by step
77217379 × 68834738 = 68834738 × (77217379)
+ 68834738 × 9 that results in 619512642
+ 68834738 × 70 what gives us 4818431660
+ 68834738 × 300 resulting in 20650421400
+ 68834738 × 7000 that results in 481843166000
+ 68834738 × 10000 which equals 688347380000
+ 68834738 × 200000 yielding 13766947600000
+ 68834738 × 7000000 what gives us 481843166000000
+ 68834738 × 70000000 producing 4818431660000000

= 5315238052511702
