
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
Warehouse A has 540 tons of grain, and Warehouse B has 200 tons of grain. To make the grain in Warehouse A three times that in Warehouse B, how many tons must be transferred from Warehouse B to Warehouse A?

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