The answer to an addition problem is called the sum.
The sum of 2 plus 2 is 4.
SUM
The result of an addition problem is called the sum.
The answer to an addition problem is called the sum.
The answer to an addition problem is called the sum.
sum
The sum.
A multiplication problem's answer is called a product. For a addition or subtraction problem it is called a sum.
The result of an addition problem is called a sum.
Sum
A sum, perhaps.
addends
It is called the "sum".
The summands.