No problem, we've got 70899894 and 72962822 to multiply
70899894 × 72962822 = 72962822 × (70899894)
+ 72962822 × 4 which equals 291851288
+ 72962822 × 90 that results in 6566653980
+ 72962822 × 800 resulting in 58370257600
+ 72962822 × 9000 producing 656665398000
+ 72962822 × 90000 resulting in 6566653980000
+ 72962822 × 800000 which equals 58370257600000
+ 72962822 × 0000000 that results in 0
+ 72962822 × 70000000 yielding 5107397540000000

= 5173056345740868
