static int findDelta ( int a , int b , int c , int d ) {
  return ( b * c - a * d ) / ( d - c ) ;
}

static int findDelta ( int a , int b , int c , int d ) { return ( b * c - a * d ) / ( d - c ) ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (return_statement (binary_expression left: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (binary_expression left: (identifier) right: (identifier)))) right: (parenthesized_expression (binary_expression left: (identifier) right: (identifier)))))))