Xiaoli's favorite food is cake. As long as there is cake, she can eat it all the time. Because she is afraid that eating too much cake will be bad for her health, her mother usually won't let her eat more cake. But Xiaoli still likes to eat cakes, so she tries to find opportunities to eat more cakes. This day is grandpa's birthday. Grandpa has a big, big cake...
Intent: To warn children not to overeat, and further extend to the idea that everything should be done in moderation, and they should know how to stop eating in moderation and not to overdo it.