Alula has the following quiz scores: 17, 10, 9, 14, 16, 8 and 10. What must the sum of her next three quiz scores be in order to have an overall average of 14?
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Alula has the following quiz scores: 17, 10, 9, 14, 16, 8 and 10. What must the sum of her next three quiz scores be in order to have an overall average of 14?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
56
Alula has the following quiz scores: 17, 10, 9, 14, 16, 8 and 10. What must the sum of her next three quiz scores be in order to have an overall average of 14?
train