No problem, we've got 81092427 and 82737692 to multiply
81092427 × 82737692 = 82737692 × (81092427)
+ 82737692 × 7 giving us 579163844
+ 82737692 × 20 giving us 1654753840
+ 82737692 × 400 which equals 33095076800
+ 82737692 × 2000 yielding 165475384000
+ 82737692 × 90000 yielding 7446392280000
+ 82737692 × 000000 giving us 0
+ 82737692 × 1000000 resulting in 82737692000000
+ 82737692 × 80000000 what gives us 6619015360000000

= 6709400248658484
