Hey, I’ve been trying to make this work but to no avail.
i tried 0 + output text but it did not work
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The issue might be because inside the math block are two text inputs and not numbers.
A workaround is to use a math block to convert it to a number. For example plus 0 or multiply by one before you use it inside the current math block.
Here is how a similar issue was solved: [Solved] How to sum all of item in simple list? - #3 by manyone