# Adding Two Numbers

For the experiment, change the type of the variable a1 to a number and remove the quotes from the value of the variable.

![](https://sherparpa.ru/wp-content/uploads/2024/02/2024-02-19_21-30-20.png)

Do not change anything else in the script. Run the script and see the result:

![](https://sherparpa.ru/wp-content/uploads/2023/11/image62-220w120h-2.png)

Thus, by changing the type of the variable and the initial value, we obtain the result of the calculation of the numerical expression (the addition of two numbers – the values of the variables a1 and a2).