We're going to solve 80689904 multiplied by 42239854
80689904 × 42239854 = 42239854 × (80689904)
+ 42239854 × 4 yielding 168959416
+ 42239854 × 00 resulting in 0
+ 42239854 × 900 giving us 38015868600
+ 42239854 × 9000 producing 380158686000
+ 42239854 × 80000 which equals 3379188320000
+ 42239854 × 600000 giving us 25343912400000
+ 42239854 × 0000000 that equals 0
+ 42239854 × 80000000 yielding 3379188320000000

= 3408329764234016
