Alright, let's work through 4634 times 4057 step by step
4634 × 4057 = 4057 × (4634)
+ 4057 × 4 that equals 16228
+ 4057 × 30 yielding 121710
+ 4057 × 600 what gives us 2434200
+ 4057 × 4000 producing 16228000

= 18800138
