No problem, we've got 78234649 and 99261849 to multiply
78234649 × 99261849 = 99261849 × (78234649)
+ 99261849 × 9 which equals 893356641
+ 99261849 × 40 resulting in 3970473960
+ 99261849 × 600 that equals 59557109400
+ 99261849 × 4000 that results in 397047396000
+ 99261849 × 30000 that is equal 2977855470000
+ 99261849 × 200000 producing 19852369800000
+ 99261849 × 8000000 what gives us 794094792000000
+ 99261849 × 70000000 what gives us 6948329430000000

= 7765715915606001
