9.2 Arithmetic operators
Hollywood supports the following arithmetic operators:
It should be pretty selfexplaining how to use these operators so here is
only a brief description of every operator:
 Addition: a + b

Adds a and b, e.g. 5 + 3 = 8
 Subtraction: a  b

Subtracts b from a, e.g. 10  5 = 5
 Multiplication: a * b

Multiplies a by b, e.g. 10 * 8 = 80
 Real division: a / b

Does an exact division. Result might be a floating point value, e.g. 5 / 2 = 2.5.
b must not be 0
 Integer division: a \ b

Divides a by b. Decimal places will be deleted, e.g. 5 \ 2 = 2
b must not be 0
 Division remainder: a % b

Returns the integer remainder of the division a \ b, e.g. 5 % 2 = 1
b must not be 0
 Power: a ^ b

Calculates a to the power of b, e.g. 2 ^ 8 = 256
 Negation: a

Negates a, e.g. 5 = 5
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