Fill the blanks by using each of the four arithmetical operations only once ($+$,$-$,$\div$,$\times$) to make the result biggest:

[![enter image description here][1]][1]

For example:

[$121-2+12\times12\div1=263$][2] but this is not the biggest result you can get.


  [1]: https://i.sstatic.net/YjyBF.png
  [2]: http://www.wolframalpha.com/input/?i=121-2%2B12%5Ctimes12%5Cdiv1