You rush home, and then sit down and try to think. How can you get this big rubbery latex... thing off your foot? Finding yourself unable to solve it yourself, you use the solution to all of life's problems: Google.
Your first search turns up nothing. With the second, you find that you could melt it off. Well, that'd be a good idea if it wouldn't destroy your human foot. The third finally gives you results, as it shows a number of chemicals and substances that can dissolve rubber, one of which is turpentine.
You search through your house, looking for any turpentine you can find. Eventually, you find a canister of the stuff and, throwing caution to the wind, you coat your foot with it and wait.