title: '+' can't convert Fixnum into String (TypeError)
body: <p>I've hit upon a 'can't convert Fixnum into String (TypeError)' error and whilst it seems simple enough I'm unsure about how to get around it. I thought my logic was sound - convert the entered string variable to an integer and then carry out the basic operation - but apparently I'm missing some key bit of information.</p>
  
  <pre><code>puts 'What is your favourite number?'
  favenum = gets.chomp
  better = favenum.to_i + 1
  puts 'Yeah '+favenum+' is nice enough but '+better+' is bigger and better by far! Think on.'    
  </code></pre>
  
  <p>Have tried searching for an answer but examples of the same error out there are way beyond my rudimentary ruby skills at present.</p>