title: How can I construct a grammar that generates this language? grammar context-free-grammar
body: <p>I'm studying for a finite automata &amp; grammars test and I'm stuck with this question:</p>
  
  <p>Construct a grammar that generates L:
  L = {a^n b^m c^2n | n>=0, m>=0}</p>
  
  <p>How can I construct a grammar that generates this language?
  grammar context-free-grammar automata</p>