You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: calculator.rb
    path of file: ./repos/boxcars/lib/boxcars/boxcar
    
    the code of the file until where you have to start completion: # frozen_string_literal: true

# Boxcars is a framework for run
    
    def get_answer(text)
      case text
      when /^```ruby/
        get_embedded_ruby_answer(text)
      when /^Answer:/
        Result.from_text(text)
      else
        Result.new(status: :error,
                   explanation: "Error: expecting your response to begin with '```ruby'. Try answering the question again.")
      end