Attempting Maths and English Sections separately

I think it would be quite useful to attempt both Math sections and receive a score as you would in the actual SAT (out of 800), rather than having to sit the English section as well! Whilst the practice is great, if you're short of time and need help in one area, it would be much better to have this option available especially if you're already where you need to be with one of the subjects eg. English