Find the product of $315_6 \cdot 4_6$.  Express your answer in base 6.
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Find the product of $315_6 \cdot 4_6$.  Express your answer in base 6.
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
2112_6
Find the product of $315_6 \cdot 4_6$.  Express your answer in base 6.
train