If anyone is interested, it works to get the text length of the rounded number, and then add 1 to it(since after dividing there's a decimal) and then trimming any decimals off by putting the added value as the end index and having it start from beginning. I guess depending on what you're doing with the rounded number you'll have to add or subtract or whatever from the text length.
I think i fixed the decimals in my weather app, but if anyone still has a decimal in it, please let me know!