Alright, let's work through 99981677 times 60451057 step by step
99981677 × 60451057 = 60451057 × (99981677)
+ 60451057 × 7 that is equal 423157399
+ 60451057 × 70 what gives us 4231573990
+ 60451057 × 600 what gives us 36270634200
+ 60451057 × 1000 yielding 60451057000
+ 60451057 × 80000 yielding 4836084560000
+ 60451057 × 900000 resulting in 54405951300000
+ 60451057 × 9000000 what gives us 544059513000000
+ 60451057 × 90000000 that results in 5440595130000000

= 6043998055282589
