Depends how many dice are being tossed. For two dice the most common result is 7.
That makes it a poor problem.
Have a look at this web page.
The coefficients tell us the number of way we can get the various sums when four dice are used. For example the term tells us there are 146 ways to throw a fourteen.
You can change the power 4 in to find out the numbers for any number of dice.