The task is to generate the correct answer for a given math problem.

Input: Consider Input: Problem: the average salary of 20 people in the shipping department at a certain firm is $ 1000 . the salary of 10 of the employees is $ 600 each and the salary of 6 of the employees is $ 200 each . what is the average salary of the remaining employees ?

Output: $ 3200


Input: Consider Input: Problem: what is the sum of the numbers between 1 and 14 , inclusive ?

Output: 105


Input: Consider Input: Problem: the price of a book is increased from $ 300 to $ 390 . what is the % of increase in its price ?


Output: 30 %