If '+' means '−', '−' means '×', '×' means '÷', '÷ 'means '+', what will come…

If '+' means '−', '−' means '×', '×' means '÷', '÷ 'means '+', what will come in place of the question mark?

50 - 6 ÷ 8 + 24 × 6 = ?