Alright, let's work through 80507179 times 23351682 step by step
80507179 × 23351682 = 23351682 × (80507179)
+ 23351682 × 9 that is equal 210165138
+ 23351682 × 70 that is equal 1634617740
+ 23351682 × 100 yielding 2335168200
+ 23351682 × 7000 yielding 163461774000
+ 23351682 × 00000 producing 0
+ 23351682 × 500000 producing 11675841000000
+ 23351682 × 0000000 producing 0
+ 23351682 × 80000000 what gives us 1868134560000000

= 1879978042725078
