
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
According to forestry experts, the secretions produced by leaves after photosynthesis can adsorb some suspended particulate matter in the air, playing a role in dust retention and air purification. It is known that the average annual dust retention of a ginkgo leaf is 4 milligrams less than twice the average annual dust retention of a locust leaf. If the average annual dust retention of 11 ginkgo leaves is the same as that of 20 locust leaves, what is the average annual dust retention of a locust leaf in milligrams?

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