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).

What is prob of sequence ip when two letters picked without replacement from ipkkkppkiiiiiikkpk?
14/153

-18376 divided by -2297
8

Suppose q + 3*d + 13 = -0*q, 2*q + d = -6. Let i = q + 10. Calculate the highest common divisor of 9 and i.

9