Alright, let's work through 77073557 times 34397021 step by step
77073557 × 34397021 = 34397021 × (77073557)
+ 34397021 × 7 that is equal 240779147
+ 34397021 × 50 giving us 1719851050
+ 34397021 × 500 that results in 17198510500
+ 34397021 × 3000 giving us 103191063000
+ 34397021 × 70000 that is equal 2407791470000
+ 34397021 × 000000 yielding 0
+ 34397021 × 7000000 giving us 240779147000000
+ 34397021 × 70000000 that equals 2407791470000000

= 2651100758673697
