Fortunately, I have learned how to pronounce e-mail addresses: 'ad' for @, 'dot' for '.', 'underline' for '_', 'slash' for '/'.
But another thing which makes stumble is mathematics.
3+4=7 - Three plus four is equal to 7? Or equals 7?
3*5 - Three times five?
2.1*3.5 - Two point one times three...