No problem, we've got 82181088 and 78849723 to multiply
82181088 × 78849723 = 78849723 × (82181088)
+ 78849723 × 8 what gives us 630797784
+ 78849723 × 80 that results in 6307977840
+ 78849723 × 000 that equals 0
+ 78849723 × 1000 what gives us 78849723000
+ 78849723 × 80000 producing 6307977840000
+ 78849723 × 100000 that results in 7884972300000
+ 78849723 × 2000000 what gives us 157699446000000
+ 78849723 × 80000000 which equals 6307977840000000

= 6479956024638624
