fill text box in for calculation

i would like to make a equation calculator but i would also like to have 2 text boxes where i can write for example 2 in the first box and 4 in the second box. And then that i puss on a button calculate and that it gives me 6

does someone could help me making this program.

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What have you tried?

Searching the forum for similar questions, I can find these links:  https://groups.google.com/forum/#!searchin/mitappinventortest/calculator   by typing  calculator in the Search for topics box at the top of the page and next to the colorful Google.   Your answer is there, but you will have to search for it.    If yuu type  equation into the box, you get:  https://groups.google.com/forum/#!searchin/mitappinventortest/equation

Another way to get an answer is to read the free online book about AI2 programming here: http://www.appinventor.org/book2   , the links to the chapters are at the bottom of the Web page.

Have you done any of the MIT tutorials?...a great place to learn how to program.http://appinventor.mit.edu/explore/ai2/tutorials.html

You might try something like this:

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