I want to clear my heart of evil.
When you do something bad, you usually have this dream.
It may also be that interpersonal relationships will be unsatisfactory, so you must work hard to get along with them, otherwise you will be very sad every day.
Dream of going home by car:
Riding means that life is ups and downs, and home is warm, which means stability.
Dreaming of going home by car indicates that you are moving towards a stable life.
The detailed implication of dream mathematics:
The mathematics in your dream is the embodiment of the subtle differences in your heart.
Dreaming that the calculation is accurate shows that your plan is foolproof.
Dreaming of calculation mistakes implies that you should be careful.