Is there a more elegant way to add nullable ints?

Question

I need to add numerous variables of type nullable int. I used the null coalescing operator to get it down to one variable per line, but I have a feeling there is a more conc

Answer 1

List> numbers = new List>();
numbers.Add(sum1);
numbers.Add(sum2);
numbers.Add(sum3);

int total = 0;
numbers.ForEach(n => total += n ?? 0);

this way you can have as many values as you want.