# FAQ: Learn Python - Python Syntax - Arithmetic

This community-built FAQ covers the “Arithmetic” exercise in Codecademy’s lessons on Python.

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i don’t understand anything, what im i supposed to do

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why is “5 * 5 = product = 25” and “5 x 5 = product = 25” wrong? I don’t understand this at all

Programming languages have their own syntax and rules.
In Python, `*` is used for multiplication. `x` is not a valid operator. In mathematics, `x` can be used to denote multiplication, but not in Python.

Also, the `=` operator means something different in Python. In mathematics, `=` is used for equality. In Python, `=` doesn’t denote equality, rather it is the assignment operator. In Python, `==` is used for equality.

The correct syntax is that the expression/calculation should be to the right of the `=` operator. The variable to which we want to assign the result should be to left of the `=` operator.

``````// Valid
product = 5 * 5

// Invalid
5 * 5 = product

// Invalid
product = 5 x 5

``````

in the python syntax module the instructions are not clear about what the exercise wants you to do. I’m clicking the hints and asked my classmate, but the lack of directions makes it very difficult to even know what the task is.