
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
Given that \( 0<a<b<c<d<300 \) and the equations:
\[ a + d = b + c \]
\[ bc - ad = 91 \]

Find the number of ordered quadruples of positive integers \((a, b, c, d)\) that satisfy the above conditions.

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