Bart is running away from a group of kids from the neighboring town, Shelbyville. He enters a tiger feeding area and needs to exit through door number 7 to escape; otherwise, he'll encounter a man-eating tiger. However, the doors are labeled in roman numerals, and he doesn't know roman numerals. He uses his knowledge of Rocky movies to figure out the correct door to open.
The Earthlings need to split two apples and feed each Cerberus head an equal portion of apple. They use the Squak Pad to illustrate the equation to determine the solution and briefly explain the numerator and the denominator.