Explanation:

‘A + B’ means ‘A is the brother of B’
‘A - B’ means ‘A is the wife of B’
‘A × B’ means ‘A is the daughter of B’
‘A ÷  B’ means ‘A is the father of B’
From the above, translating the relation,
P is the brother of S
S is the daughter of Q, Q is the daughter of R, R wife of T , T is the father of V, V is the father of U.

Hence, T is the maternal grandfather of P