Variables, output of program

Main module
  Call Input module
  Call Calculations module
  Call Output Module
  Call Greeting module
  End Program

Input module
  Declare LastName as a character variable
  Declare Num as interger
  Write "Enter your last name"
  Input LastName
  Write "Enter the course number"
  Input Num
  Return

Calculations module
  Declare NewNum as interger
  NewNum = 10 * Num
  Return

Greetings module
  Write "Have a nice day!"
  Return

Output module
  Write Name, NewNum
  Return

1. List the varibables: Declare Num as Interger
                                Declare NewNum as Interger

2. Show the output of the screen when the program executes with a value of 200.
    2000

3. When this program runs, what will be the last statement executed?
    NewNum