GRMustache formatted numbers, or an HTML Template Engine with Number Formatting in iOS

Question

I'm not sure how to best go about this. I've tried solving this my own way, but failed so far. I tried using GRMustache, only to realize that I'm trying to display floats that just look hideous in the template I'm trying to use.

Basically, I have a model that I'm trying to have output as HTML via a template. Ideally, I just put the variable names/keypaths into the template and the template just gets parsed with the actual values (pretty much) rendered in place. But, the model I'm using uses floats for all its calculations and I'd really like them rendered as comma-separated integer strings (e.g. (float)9382.233325 => "9,382").

I can't seem to find any documentation in GRMustache that covers a situation like this, but I imagine this can't be an uncommon requirement. Does anyone know how to do this with GRMustache or through some other technique?