No problem, we've got 80408175 and 42796027 to multiply
80408175 × 42796027 = 42796027 × (80408175)
+ 42796027 × 5 giving us 213980135
+ 42796027 × 70 that equals 2995721890
+ 42796027 × 100 producing 4279602700
+ 42796027 × 8000 that equals 342368216000
+ 42796027 × 00000 giving us 0
+ 42796027 × 400000 resulting in 17118410800000
+ 42796027 × 0000000 giving us 0
+ 42796027 × 80000000 that is equal 3423682160000000

= 3441150428320725
