Alright, let's work through 77882266 times 43993984 step by step
77882266 × 43993984 = 43993984 × (77882266)
+ 43993984 × 6 that results in 263963904
+ 43993984 × 60 that results in 2639639040
+ 43993984 × 200 that results in 8798796800
+ 43993984 × 2000 which equals 87987968000
+ 43993984 × 80000 that results in 3519518720000
+ 43993984 × 800000 resulting in 35195187200000
+ 43993984 × 7000000 yielding 307957888000000
+ 43993984 × 70000000 giving us 3079578880000000

= 3426351164287744
