No problem, we've got 89197996 and 72879655 to multiply
89197996 × 72879655 = 72879655 × (89197996)
+ 72879655 × 6 that equals 437277930
+ 72879655 × 90 which equals 6559168950
+ 72879655 × 900 that equals 65591689500
+ 72879655 × 7000 that is equal 510157585000
+ 72879655 × 90000 resulting in 6559168950000
+ 72879655 × 100000 yielding 7287965500000
+ 72879655 × 9000000 which equals 655916895000000
+ 72879655 × 80000000 giving us 5830372400000000

= 6500719175171380
