
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
During the "Christmas" sale at Jiuzhou Department Store, all goods are sold at a 40% discount. Therefore, an item with a marked price of $a$ yuan is sold for     , and an item sold for $b$ yuan is originally priced at     yuan.

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