What number have you come up with?

You replied to my question with a question!

I would think that part of the fun of geocaching is figuring out the puzzles. So, I will guide you, and then we can compare results.

I have simplified the given expression, in parts. Each of the following parts (aka: expressions) represent a number.

E*C + 3*H - 1

A - 1

2*G + 2*D - B + 2*F + 1

The asterisks are multiplication signs.

The Order of Operations tells us that when we have an expression containing multiplication, addition and subtraction, we do all multiplications first, and then we do additions and subtractions, in order reading from left to right. I know that you can do this.

E*C + 3*H - 1
To find the value of this expression, we do the multiplications first.

Multiply number E times number C; write down the result (aka: the product).

Multiply 3 times number H; write down this product.

Now, reading from left to right, do the addition and subtraction. That is, add product E*C to product 3*H, and then subtract 1.

Call this result "factor1". Write it down.

A - 1
This expression is simple to evaluate, yes? Subtract 1 from number A. Call this result "factor2", and write it down.

2*G + 2*D - B + 2*F + 1
In this expression, each of the multiplications is simply doubling a number (2 times number G, 2 times number D, and 2 times number F). Write down these products, and then add and subtract as shown, reading from left to right. Call the result "factor3".

Now multiply factor1 times factor2 times factor3, and show us what you get.

Cheers