No problem, we've got 80411979 and 69575116 to multiply
80411979 × 69575116 = 69575116 × (80411979)
+ 69575116 × 9 what gives us 626176044
+ 69575116 × 70 which equals 4870258120
+ 69575116 × 900 that equals 62617604400
+ 69575116 × 1000 which equals 69575116000
+ 69575116 × 10000 what gives us 695751160000
+ 69575116 × 400000 that is equal 27830046400000
+ 69575116 × 0000000 which equals 0
+ 69575116 × 80000000 yielding 5566009280000000

= 5594672766714564
