Error code: CS8025: Parsing error

Hi I can’t figure out the problem with this code can somebody please help ASAP.

using UnityEngine;
using System.Collections;

public class MenuPage : MonoBehaviour { 
	public int buttonHeight = 30; 
	public int buttonWidth = 100; 
	public int buttonPadding = 10; 
	public GUIStyle mystyle; 
	void OnGUI(){ 
		int buttonSeparator = buttonHeight+buttonPadding; 
		int numberOfButtons = 3; 
		int groupHeight = numberOfButtons*buttonSeparator; 
		Rect groupRect = new Rect(320-buttonWidth/2, 240-groupHeight/2, buttonWidth, groupHeight); 
		GUI.Button(new Rect(0,0*buttonSeparator,buttonWidth,buttonHeight), "Start", mystyle); 
		GUI.Button(new Rect(0,1*buttonSeparator,buttonWidth,buttonHeight), "Instructions", mystyle); 
		GUI.Button(new Rect(0,2*buttonSeparator,buttonWidth,buttonHeight), "Credits", mystyle);