This is my code: package com.codegym.task.task03.task0312; /* Time conversion */ public class Solution { //write your code here public static int convertToSeconds(int hour){ return hour*60*60; } } public static void main(String[] args) { //write your code here System.out.println(convertToSeconds(10)); System.out.println(convertToSeconds(20)); } } Issue: The compiler is mad! com/codegym/task/task03/task0312/Solution.java:15: error: class, interface, or enum expected public static void main(String[] args) { ^ com/codegym/task/task03/task0312/Solution.java:18: error: class, interface, or enum expected System.out.println(convertToSeconds(20)); ^ com/codegym/task/task03/task0312/Solution.java:20: error: class, interface, or enum expected } ^ Please explain.