Task: Question Answering
Input (English): \(a\) and \(b\) are different positive integers and \(a\) is greater than \(b\). If \(a^2 - b^2 = 7\) , what is the value of \(ab\) ?
(A)6 (B)8 (C)10 (D)12 (E)14
Output (English): D