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).

Ex Input:
What is fourty-three quarters of a millimeter in micrometers?

Ex Output:
10750


Ex Input:
Solve -182 = -4*z - 194, -2*a + 2*z + 4 = 0 for a.

Ex Output:
-1


Ex Input:
Let f be 2 + 0 - ((-16)/(-4))/4. Let a = -3 + 10. Let h = a - f. Solve 2*z + z + h = 0 for z.

Ex Output:

-2