TASK DEFINITION: The task is to generate the correct answer for a given math problem.
PROBLEM: Problem: if a a b = 2 a - 3 b + ab , then 3 a 2 + 2 a 3 is equal to :

SOLUTION: 7

PROBLEM: Problem: a 10 % stock yields 8 % . the market value of the stock is :

SOLUTION: rs . 125

PROBLEM: Problem: a distributor sells a product through an online store , which take a commission of 20 % of the price set by the distributor . the distributor obtains the product from a producer at the price of $ 18 per item . what is the price that the buyer observers online if the distributor wants to maintain a 20 % profit on the cost of the item ?

SOLUTION:
$ 27