No problem, we've got 80167678 and 42623708 to multiply
80167678 × 42623708 = 42623708 × (80167678)
+ 42623708 × 8 what gives us 340989664
+ 42623708 × 70 what gives us 2983659560
+ 42623708 × 600 that equals 25574224800
+ 42623708 × 7000 that results in 298365956000
+ 42623708 × 60000 resulting in 2557422480000
+ 42623708 × 100000 that is equal 4262370800000
+ 42623708 × 0000000 what gives us 0
+ 42623708 × 80000000 that results in 3409896640000000

= 3417043698110024
