No problem, we've got 86799201 and 81369998 to multiply
86799201 × 81369998 = 81369998 × (86799201)
+ 81369998 × 1 yielding 81369998
+ 81369998 × 00 giving us 0
+ 81369998 × 200 producing 16273999600
+ 81369998 × 9000 that equals 732329982000
+ 81369998 × 90000 giving us 7323299820000
+ 81369998 × 700000 resulting in 56958998600000
+ 81369998 × 6000000 that equals 488219988000000
+ 81369998 × 80000000 what gives us 6509599840000000

= 7062850811771598
