
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
Define a new operation: $a*b=a+b$, $a\otimes b=a-b$, where $a, b$ are rational numbers. For example, if $a=2$, $b=1$, then $a*b=2+1=3$, $a\otimes b=2-1=1$. Based on the above operation rules, simplify: $a^2b*3ab+5a^2b\otimes4ab$, and calculate the value of the polynomial when $a=5$, $b=3$.

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