No problem, we've got 80196428 and 88868897 to multiply
80196428 × 88868897 = 88868897 × (80196428)
+ 88868897 × 8 resulting in 710951176
+ 88868897 × 20 that is equal 1777377940
+ 88868897 × 400 that results in 35547558800
+ 88868897 × 6000 giving us 533213382000
+ 88868897 × 90000 producing 7998200730000
+ 88868897 × 100000 that equals 8886889700000
+ 88868897 × 0000000 yielding 0
+ 88868897 × 80000000 what gives us 7109511760000000

= 7126968099699916
