
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
Toothpicks are used to construct a grid and an inner smaller grid. The outer grid is $80$ toothpicks long and $40$ toothpicks wide. Inside the outer grid, there is another grid which is $30$ toothpicks long and $20$ toothpicks wide. How many toothpicks are used altogether if no toothpicks are shared between the two grids?
A) 6520
B) 7040
C) 7500
D) 7770
E) 8120

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