No problem, we've got 80885748 and 78124322 to multiply
80885748 × 78124322 = 78124322 × (80885748)
+ 78124322 × 8 yielding 624994576
+ 78124322 × 40 that equals 3124972880
+ 78124322 × 700 that results in 54687025400
+ 78124322 × 5000 which equals 390621610000
+ 78124322 × 80000 yielding 6249945760000
+ 78124322 × 800000 what gives us 62499457600000
+ 78124322 × 0000000 what gives us 0
+ 78124322 × 80000000 giving us 6249945760000000

= 6319144221962856
