
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
On an old receipt, it is written that there are 72 bottles of drinks, with a total price of x67.9y yuan. Due to the blurriness of the numbers at both ends, they are represented by x and y. The unit price of each drink is also unclear. Then, x=    .

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