If $2x - 9y = 14$ and $6x = 42 +y$, what is the value of the product $xy$?
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
If $2x - 9y = 14$ and $6x = 42 +y$, what is the value of the product $xy$?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
0
If $2x - 9y = 14$ and $6x = 42 +y$, what is the value of the product $xy$?
train