If '+' means 'divided by', '' means 'multiplied by', 'x' means 'minus' and ' ÷ ' means 'plus', which of the following will be the value of the expression:
Of the six members of a panel sitting in a row, A is to the right of C, but left of B. E is sitting left of C and right of D, who is sitting to the right of F. Find the members sitting at the two ends of the row.