\frac1{216}
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
When three standard dice are tossed, the numbers $a,b,c$ are obtained. Find the probability that $abc = 1$.
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
\frac1{216}
When three standard dice are tossed, the numbers $a,b,c$ are obtained. Find the probability that $abc = 1$.
train