Alright, let's work through 70406351 times 80622977 step by step
70406351 × 80622977 = 80622977 × (70406351)
+ 80622977 × 1 that results in 80622977
+ 80622977 × 50 that results in 4031148850
+ 80622977 × 300 yielding 24186893100
+ 80622977 × 6000 resulting in 483737862000
+ 80622977 × 00000 that results in 0
+ 80622977 × 400000 that equals 32249190800000
+ 80622977 × 0000000 producing 0
+ 80622977 × 70000000 which equals 5643608390000000

= 5676369617326927
