Gas stoves fill the air in your home with particulate matter (pm), which has been found to increase cancer risk in the long term.
So next time you buy a stove, consider choosing an induction stove.
Btw, gas stoves being better or faster than induction is a myth.
BarTenders friend is really the best for everything in the kitchen, but leaving some CLR on it overnight should break it down enough to clean up with a warm sponge. Calcium is probably the white stuff.