No problem, we've got 82384256 and 64465277 to multiply
82384256 × 64465277 = 64465277 × (82384256)
+ 64465277 × 6 which equals 386791662
+ 64465277 × 50 that equals 3223263850
+ 64465277 × 200 that is equal 12893055400
+ 64465277 × 4000 that equals 257861108000
+ 64465277 × 80000 that results in 5157222160000
+ 64465277 × 300000 what gives us 19339583100000
+ 64465277 × 2000000 that is equal 128930554000000
+ 64465277 × 80000000 yielding 5157222160000000

= 5310923883478912
