title: How to round up a number if it's not an integer?
body: <p>I want to calculate a simple number, and if the number is not an integer I want to round it up.</p>
  
  <p>For instance, if after a calculation I get <code>1.2</code>, I want to change it to <code>2</code>. If the number is <code>3.7</code>, I want to change it to <code>4</code> and so on.</p>