
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
Education promotes the prosperity of a country, and a strong education system leads to a strong nation. A certain school plans to add a batch of computers and electronic whiteboards. After market research, it is found that each computer costs $0.5$ million yuan, and each electronic whiteboard costs $1.5$ million yuan. According to the actual needs of the school, a total of $30$ computers and electronic whiteboards are required to be purchased, and the total cost should not exceed $30$ million yuan. How many computers should the school purchase at least?

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