No problem, we've got 80120078 and 51328045 to multiply
80120078 × 51328045 = 51328045 × (80120078)
+ 51328045 × 8 giving us 410624360
+ 51328045 × 70 yielding 3592963150
+ 51328045 × 000 resulting in 0
+ 51328045 × 0000 that equals 0
+ 51328045 × 20000 that equals 1026560900000
+ 51328045 × 100000 that results in 5132804500000
+ 51328045 × 0000000 giving us 0
+ 51328045 × 80000000 yielding 4106243600000000

= 4112406968987510
