In this scene, the student has not complied with the teacher after several requests from the teacher. Instead, the student has chosen to ignore his teacher because he doesn't want to stop doing what he likes to do.
Because you have not listened and followed directions, you will not receive your preferred reward for next class and have to choose between other rewards.
It is important to comply with your teacher's requests. If you choose not to comply, then you must deal with the consequences. In this scene, the student was unable to earn a preferred reward the next class period. This was his consequence.
It is important to listen to your teacher even if you want to continue doing the thing you like. Your teacher is in charge of his/her classroom and what he/she says must be done as expected. As a student, your role is to learn and meet the expectations of your teacher. If you do the right thing, you will be rewarded. If you do not do the right thing, you will have to deal with the consequences.