How much of your own sense of quantity is visual, do you think? How much of your ability to count the lengths of words depends on your ability to sound them out

How much of your own sense of quantity is visual, do you think? How much of your ability to count the lengths of words depends on your ability to sound them out and spell? I suspect we might find that adding in the multimodal visual and audio aspects to the model gives these models a much better basis for mental arithmetic and counting.