title: How can I round a value to a multiple of an integer in Google Sheets?
body: <p>How can I make a specific cell (B2) from all sheets to automatically round down the input number to the nearest multiple of 4 integers?</p>
  <p>Example. When I input a number in cell B2 (33.33), it need to be rounded down to the nearest multiple of 4 integers (32).</p>
  <p>If possible, I want that code works for all sheets. What script codes should I use?</p>