Subject: mathqa
Question: the sum of the first n positive perfect squares , where n is a positive integer , is given by the formula n ^ 3 / 3 + c * n ^ 2 + n / 6 , where c is a constant . what is the sum of the first 18 positive perfect squares ?
Option: 
A: 1,240
B: 2,109
C: 1,164
D: 1,316
Answer: B