No problem, we've got 18768739 and 48902403 to multiply
18768739 × 48902403 = 48902403 × (18768739)
+ 48902403 × 9 that results in 440121627
+ 48902403 × 30 that equals 1467072090
+ 48902403 × 700 yielding 34231682100
+ 48902403 × 8000 producing 391219224000
+ 48902403 × 60000 producing 2934144180000
+ 48902403 × 700000 producing 34231682100000
+ 48902403 × 8000000 giving us 391219224000000
+ 48902403 × 10000000 yielding 489024030000000

= 917836438379817
