No problem, we've got 79345789 and 79831953 to multiply
79345789 × 79831953 = 79831953 × (79345789)
+ 79831953 × 9 what gives us 718487577
+ 79831953 × 80 that is equal 6386556240
+ 79831953 × 700 resulting in 55882367100
+ 79831953 × 5000 yielding 399159765000
+ 79831953 × 40000 that equals 3193278120000
+ 79831953 × 300000 giving us 23949585900000
+ 79831953 × 9000000 that equals 718487577000000
+ 79831953 × 70000000 resulting in 5588236710000000

= 6334329298195917
