
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
Determine the appropriate value of $h$ so that the following equation in base $h$ is accurate:
$$\begin{array}{c@{}c@{}c@{}c@{}c@{}c}
&&8&6&7&4_h \\
&+&4&3&2&9_h \\
\cline{2-6}
&1&3&0&0&3_h.
\end{array}$$

Present the answer in LaTex format: \boxed{Your answer}
user