In Rodrigo's classroom in the morning there are red chairs, yellow chairs, and blue chairs. There are 4 red chairs. There are 2 times as many yellow chairs as red chairs, and there are 2 fewer blue chairs than yellow chairs. In the afternoon, Lisa borrows 3 chairs.  How many chairs are left in Rodrigo's classroom?
There are 2 * 4 red chairs = <<2*4=8>>8 yellow chairs.
There are 8 yellow chairs - 2 = <<8-2=6>>6 blue chairs.
Total in the morning there were 4 red + 8 yellow + 6 blue = <<4+8+6=18>>18 chairs.
After Lisa removed chairs there were 18 - 3 chairs = <<18-3=15>>15 chairs remaining.
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Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
You are solving math problems. Here are some examples of how to solve the task:

Talia is playing football with her friends. The park they're playing at is 5 miles from Talia's house. After their game, Talia is planning to go to the grocery store 3 miles away from the park and 8 miles from her home. Starting and ending at Talia's house, how many miles does Talia drive that day?Talia first drives 5 miles to the park + 3 miles from the park to the grocery store = <<5+3=8>>8 miles.
She next drives 8 miles from the store to home + the first 8 miles = <<8+8=16>>16 miles Talia drives that day.
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The largest room in Mrs. McAvoy's house is 45 feet wide and 30 feet long. The smallest room in that same house is 15 feet wide and 8 feet long. What is the difference in area between the largest room and the smallest room?The area of the largest room is 45 ft x 30 ft = <<45*30=1350>>1350 sq ft
The area of the smallest room is 15 ft x 8 ft = <<15*8=120>>120 sq ft
The difference between the two is 1350 sq ft - 120 sq ft = <<1350-120=1230>>1230 sq ft
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Now, solve this next question in the style of the above examples:

In Rodrigo's classroom in the morning there are red chairs, yellow chairs, and blue chairs. There are 4 red chairs. There are 2 times as many yellow chairs as red chairs, and there are 2 fewer blue chairs than yellow chairs. In the afternoon, Lisa borrows 3 chairs.  How many chairs are left in Rodrigo's classroom?

### Response:
There are 2 * 4 red chairs = <<2*4=8>>8 yellow chairs.
There are 8 yellow chairs - 2 = <<8-2=6>>6 blue chairs.
Total in the morning there were 4 red + 8 yellow + 6 blue = <<4+8+6=18>>18 chairs.
After Lisa removed chairs there were 18 - 3 chairs = <<18-3=15>>15 chairs remaining.
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