Cloud Rainbow Puzzle

ANS: 58
(1) equ => 6 + 6 + 6 = 18;
(2) equ => 6 + X + 6 = 23 => X + 12 = 23 => X = 23 – 12 = 11;
(3) equ => X + Y + Y = 17 => 11 + 2Y = 17 => 2Y = 17 – 11 = 6 => Y = 3;
(4) equ => 2Y * 6 + 2X = ? => (3+3) * 6 + (11+11) = 6 * 6 + 22 = 36 + 22 = 58