**Calculation**
To solve the given expression, we will follow the order of operations (PEMDAS/BODMAS) which states that we should perform operations in the following order: parentheses, exponents, multiplication and division (from left to right), and addition and subtraction (from left to right).

Let's break down the given expression step by step:

1. Minus 2 by 3:
- This means subtracting 2 from 3.
- 3 - 2 = 1

2. Multiply 1 by 3 by 5:
- This means multiplying 1 by 3 and then multiplying the result by 5.
- 1 * 3 = 3
- 3 * 5 = 15

3. 5 by 2:
- This means multiplying 5 by 2.
- 5 * 2 = 10

4. Multiply 3 by 5 by 1 by 6:
- This means multiplying 3 by 5, then multiplying the result by 1, and finally multiplying the new result by 6.
- 3 * 5 = 15
- 15 * 1 = 15
- 15 * 6 = 90

5. Subtract 15 from 10:
- This means subtracting 15 from 10.
- 10 - 15 = -5

6. Subtract -5 from 90:
- This means subtracting -5 from 90.
- 90 - (-5) = 90 + 5 = 95

**Final Answer:**
The result of the given expression "-2/3 * 3/5 - 5/2 * 3/5 * 1/6" is 95.

Note: The above calculations are performed based on the given expression. If there are any parentheses or specific grouping symbols in the expression, the order of operations may change accordingly.

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