No problem, we've got 70800705 and 18664621 to multiply
70800705 × 18664621 = 18664621 × (70800705)
+ 18664621 × 5 which equals 93323105
+ 18664621 × 00 yielding 0
+ 18664621 × 700 producing 13065234700
+ 18664621 × 0000 that results in 0
+ 18664621 × 00000 resulting in 0
+ 18664621 × 800000 which equals 14931696800000
+ 18664621 × 0000000 producing 0
+ 18664621 × 70000000 that results in 1306523470000000

= 1321468325357805
