
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
A store has 240 units of a certain brand of milk powder, which are from three different batches. The quantities of products from batches A, B, and C form an arithmetic sequence. If a stratified sampling method is used to draw a sample of size 60, determine the number of units that should be drawn from batch B.

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