No problem, we've got 89785301 and 78534312 to multiply
89785301 × 78534312 = 78534312 × (89785301)
+ 78534312 × 1 yielding 78534312
+ 78534312 × 00 giving us 0
+ 78534312 × 300 producing 23560293600
+ 78534312 × 5000 giving us 392671560000
+ 78534312 × 80000 which equals 6282744960000
+ 78534312 × 700000 yielding 54974018400000
+ 78534312 × 9000000 resulting in 706808808000000
+ 78534312 × 80000000 which equals 6282744960000000

= 7051226841747912
