No problem, we've got 80343964 and 67950448 to multiply
80343964 × 67950448 = 67950448 × (80343964)
+ 67950448 × 4 which equals 271801792
+ 67950448 × 60 that results in 4077026880
+ 67950448 × 900 that equals 61155403200
+ 67950448 × 3000 that equals 203851344000
+ 67950448 × 40000 producing 2718017920000
+ 67950448 × 300000 what gives us 20385134400000
+ 67950448 × 0000000 which equals 0
+ 67950448 × 80000000 that equals 5436035840000000

= 5459408347895872
