
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
Xiao Li spent $108 to buy some bottled milk at the supermarket. A few days later, when she went to the same supermarket, she encountered a "75% off storewide" promotion and only spent $90 to buy 1 more bottle of milk than last time. What was the original price per bottle of this milk?

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