Calculating more than two numbers

Guys, I would like to create a calculator where I could only do additions. So far, I’ve managed to do everything right. The big issue is that I can’t do an operation with more than two numbers. Can anybody help me?

Have 1 text box, buttons with the numbers 1-9, “+” sign, and “=“ sign, and a label.

Let the user input a number in the text box. Set label to the number they entered.

If user presses “+” clear the text box and let them input another number.

Each time they press “+” and input another number keep setting label to label + text box value, and clear the text box.

If they press “=“ set label to label + text box value.

Hello friend here I show you an example, if you are interested write me in private.