Given a simple high-school level math question, you are required to solve it and provide the final answer. The final answer is always a single number. These questions can range from a variety of topics like simple arithmetic, solving equations, converting a quantity from one unit to another, finding remainders/GCD/LCM, finding probabilities etc. Each question has only one correct answer. This answer can be a positive or negative integer, a fraction or a decimal number. If the answer is a negative number use the hyphen (e.g. -42) symbol for the minus sign. For decimal numbers, do not add extra zeros after the decimal point. For fractional numbers, separate the numerator and denominator using a forward slash (e.g. 3/25).

Example Input: -6508 divided by -1627
Example Output: 4

Example Input: How many millimeters are there in six fifths of a centimeter?
Example Output: 12

Example Input: Suppose -2*z = 2*z - 12. Suppose 2*l - z = 1. Solve 4*n + l*b = -3*b + 12, 0 = -3*n + 3*b + 9 for n.
Example Output:
3