
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
Xiaoming went to the mall to buy x pencils of a certain brand, spending y yuan (y is an integer). Later, when he went to the mall again, he found that the price of these pencils had dropped by 20%, so he bought 10 more pencils than last time and spent 4 yuan. How many pencils did Xiaoming buy in total?

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