Consider two strings \(A = "qpqrr"\) and \(B = "pqprqrp"\). Let \(x\) be the…

Consider two strings $A = "qpqrr"$ and $B = "pqprqrp"$. Let $x$ be the length of the longest common subsequence (not necessarily contiguous) between $A$ and $B$ and let $y$ be the number of such longest common subsequences between $A$ and $B$. Then $x + 10y =$ ______.