Hi Justin,
You can also just use the formula which Bubble offers instead of a plugin. This is what Bubble reference says about it:
:rounded to
Rounds the first number so that it has X digits after the decimal. For example, ‘0.234’ becomes ‘0.23’ with an argument of ‘2,’ and ‘0.5’ becomes ‘1’ with an argument of '0.
------------End of Reference Bubble
So In an example the formula for saving 1.6666666 as 1.6 in the database the formula is:
(Create a new “product”)
Price=Input price icecream’s value: rounded to 1