
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
A certain supermarket currently has 20 baskets of Chinese cabbage, with a standard weight of 18 kilograms per basket. The excess or shortfall in kilograms is represented by positive or negative numbers, as shown below:

| Difference from Standard Weight (kg) | $-3.5$ | $-2$ | $-1.5$ | $0$ | $1$ | $2.5$ |
|--------------------------------------|--------|------|--------|-----|-----|-------|
| Number of Baskets                     | $2$    | $4$  | $2$    | $1$ | $3$ | $8$   |

$(1)$ In the 20 baskets of Chinese cabbage, the heaviest basket is ______ kilograms heavier than the lightest basket.  
$(2)$ Compared to the standard weight, how many kilograms do the 20 baskets of Chinese cabbage exceed or fall short of in total?  
$(3)$ The supermarket participates in the "Warmth for the People Project." If the selling price of Chinese cabbage is $1.8$ yuan per kilogram, how much can these 20 baskets of Chinese cabbage be sold for?

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