That we know math is everywhere. We want to emphasize mathematics in the real-life. Especially adopting how to avoid food waste, bread waste, to the age group we are interested in. One of our purposes is to adopt that the food waste is not garbage. And also to make it feel that saving is actually a complete mathematics. It is a multifaceted work that wants these people to apply at home what they have learned anywhere by including their prospective teachers in the project.