Roy had some quince. Stephen took 23 from him. Now Roy has 30 quince. How many quince Roy had in the first?
لدى روي بعض التفاح. أخذ ستيفن 23 منه. الآن روي لديه 30 تفاحة. كم عدد التفاح لدى روي في الأول؟