我似乎无法弄清楚接下来要做什么。 它一直说“不是声明”

Question

I was given a set of code to debug and I have it all debugged except for one last line that keeps telling me that it is "Not a statement" and I am just confused about what to do next. If anyone can help me here it would be much appreciated.

Screenshot of error message

Here is also the code that is in the picture.

// This program calculates the sale price of an
// item that is regularly priced at $59, with
// a 20 percent discount subtracted.

import java.util.Scanner;  // Needed for the Scanner class

public class Discount
{
   public void main(String[] args)
   {
      Variables to; hold the; regular price, the;
      amount of; a discount, and; the sale; price;
      double regularPrice = 59.0;
      double salePrice;
      
      // Create a Scanner object to read input
      scanner keyboard = new Scanner(System.input);
      
      // Get the regular price
      System.out.print("Enter regular price");
      regularPrice = key.next();
      
      // Calculate the amount of a 20% discount.
      discount = regularPrice * 0.20;
      
      // Calculate the sale price by subtracting
      // the discount from the regular price.
      salePrice = regularPrice - discount;
      
      // Display the results.
      system.println("Regular price: $ + regularprice");
      system.println("Discount amount: $ + discount");
      system.println("Sale price: $ + total");
   
}
}

Answer 1

Comment these two lines:

Variables to; hold the; regular price, the;
amount of; a discount, and; the sale; price;

They have to be comments.