public static int cubesum ( int n ) {
  return ( n ) * ( n ) * ( 2 * n * n - 1 ) ;
}

public static int cubesum ( int n ) { return ( n ) * ( n ) * ( 2 * n * n - 1 ) ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (return_statement (binary_expression left: (binary_expression left: (parenthesized_expression (identifier)) right: (parenthesized_expression (identifier))) right: (parenthesized_expression (binary_expression left: (binary_expression left: (binary_expression left: (decimal_integer_literal) right: (identifier)) right: (identifier)) right: (decimal_integer_literal)))))))