Hi I just started learning java and am having a lot of trouble with loop statements.I need a code that I can calculate the average pace of my runs.

Hi I just started learning java and am having a lot of trouble with loop statements.I need a code that I can calculate the average pace of my runs. I am trying to use the while statement for the code since it is required. When i try to run it, it doesnt let me put in 'timeinminutes'. it stays stuck in the input for miles.. How do I fix this? I have researched loop statements and moving things around but suck at piecing it together. Now i cant even get it to run because it says I have an error with ";" please help :(

import static java.lang.System.*;

import java.util.Scanner;

import java.util.*;

class averagepace {

  public static void main(String[] args) {

    Scanner scan = new Scanner(System.in);

    System.out.println("Enter the miles:");

    double miles = 0;

    double timeinminutes = 0;

    double avgpage = 0 

    while (score != -1) {

      time += avgpace;

      avgpage= scan.nextDouble();

      num++;

    }

    num--;

    System.out.println("The avgpace is:" + (timeinminutes/miles));

  }

}