How do you remove square brackets when displaying float?

I have a simple application that accepts a float coming in over BLE and displays it (temperature), e.g. 23.6. However it displays the number with square brackets around it. I would like to display the number without the square brackets. I assume it is a field display setting but I can not find it. Any help would be appreciated.

Try using a select item from list block and set index = 1
use two replace text blocks to remove the [ and the ]

Thanks. I have converted to using strings and use your replacement suggestion.

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