No problem, we've got 70879765 and 80593345 to multiply
70879765 × 80593345 = 80593345 × (70879765)
+ 80593345 × 5 which equals 402966725
+ 80593345 × 60 giving us 4835600700
+ 80593345 × 700 that equals 56415341500
+ 80593345 × 9000 that results in 725340105000
+ 80593345 × 70000 resulting in 5641534150000
+ 80593345 × 800000 giving us 64474676000000
+ 80593345 × 0000000 producing 0
+ 80593345 × 70000000 producing 5641534150000000

= 5712437354163925
