how to add numbers with couple zeros in laravel migration code example

Example 1: laravel migration remove column

public function up()
{
  Schema::table('table', function($table) {
    $table->dropColumn('column_name');
  });
}

Example 2: laravel rename column name

Schema::table('users', function (Blueprint $table) {
    $table->renameColumn('from', 'to');
});