Alright, let's work through 77867682 times 40131266 step by step
77867682 × 40131266 = 40131266 × (77867682)
+ 40131266 × 2 producing 80262532
+ 40131266 × 80 resulting in 3210501280
+ 40131266 × 600 which equals 24078759600
+ 40131266 × 7000 what gives us 280918862000
+ 40131266 × 60000 which equals 2407875960000
+ 40131266 × 800000 yielding 32105012800000
+ 40131266 × 7000000 yielding 280918862000000
+ 40131266 × 70000000 that is equal 2809188620000000

= 3124928659145412
