Task: Question Answering
Input (English): \(a^3 \times a^6 = a^c\) \(\frac { (b^5)^d } { b^d } = b^40\) In the equations above, \(a > 1\) and \(b > 1\). What is the sum of \(c\) and \(d\)?
(A)8 (B)9 (C)15 (D)17 (E)19
Output (English): E