No problem, we've got 79934423 and 53144493 to multiply
79934423 × 53144493 = 53144493 × (79934423)
+ 53144493 × 3 that equals 159433479
+ 53144493 × 20 what gives us 1062889860
+ 53144493 × 400 that equals 21257797200
+ 53144493 × 4000 producing 212577972000
+ 53144493 × 30000 resulting in 1594334790000
+ 53144493 × 900000 what gives us 47830043700000
+ 53144493 × 9000000 what gives us 478300437000000
+ 53144493 × 70000000 what gives us 3720114510000000

= 4248074383582539
