No problem, we've got 77988986 and 69557405 to multiply
77988986 × 69557405 = 69557405 × (77988986)
+ 69557405 × 6 yielding 417344430
+ 69557405 × 80 what gives us 5564592400
+ 69557405 × 900 producing 62601664500
+ 69557405 × 8000 resulting in 556459240000
+ 69557405 × 80000 that results in 5564592400000
+ 69557405 × 900000 yielding 62601664500000
+ 69557405 × 7000000 producing 486901835000000
+ 69557405 × 70000000 producing 4869018350000000

= 5424711484741330
