How Do You Get From Quantitative to Qualitative?

The way i tend to put it, at least a initially introducing it, is the clash between the quantitative and the qualitative. So, physical science works with this purely quantitative vocabulary, whereas consciousness seems to involve these qualities of experience. And so we've already said, wer, maybe how'd you get from one to the other? It's almost assuming dualism. Buts i suppose one could put it, how do purely quantitative states of the brain become these qualitative states of experience, colors, sounds, smells, tastes? Ok? How do you solve it? Janet, well, hm, ah, there're a couple of ways of solving it.