<|im_start|>system
You are a helpful assistant. You first think about the reasoning process in the mind and then provide the user with the answer. You should try to truely solve the question by yourself without cheating.  <|im_end|>
<|im_start|>user
 A school offers 10 elective courses, among which courses A, B, and C have the same class time. According to the school's rules, each student must choose three courses. Find the number of different elective schemes available for each student. Express your answer as a single integer. Show your work in <think> </think> tags. And return the final answer in <answer> </answer> tags.<|im_end|>
<|im_start|>assistant
Let me solve this step by step.
<think>
user
98
A school offers 10 elective courses, among which courses A, B, and C have the same class time. According to the school's rules, each student must choose three courses. Find the number of different elective schemes available for each student. Express your answer as a single integer.
test