A plus B equals AB

The expression "A plus B equals AB" is not a standard mathematical equation. In traditional arithmetic, the plus sign (+) is used to indicate addition, where two or more numbers are combined to give a sum. However, in this case, it seems like the plus sign is being used as a concatenation operator, where the values of A and B are being combined as a single string of characters. Therefore, the statement "A plus B equals AB" would be interpreted as a string concatenation operation rather than a mathematical addition.