Here's the  439 feet + (59 feet x 0.6) = 474 feet.
( Here ( ( 's ( ( the ( 439 feet ) ) ( + ( ( -LRB- ( ( ( 59 feet ) ( x 0.6 ) ) -RRB- ) ) ( = ( 474 feet ) ) ) ) ) ) . ) )
(ROOT (S (NP (RB Here)) (VP (VBZ 's) (NP (NP (DT the) (CD 439) (NNS feet)) (VP (VBG +) (S (NP (PRN (-LRB- -LRB-) (NP (NP (CD 59) (NNS feet)) (NP (NP (SYM x)) (NP (CD 0.6)))) (-RRB- -RRB-))) (VP (SYM =) (NP (CD 474) (NNS feet))))))) (. .)))
These measurements are for the Taj Mahal.
( ( These measurements ) ( ( are ( for ( the ( Taj Mahal ) ) ) ) . ) )
(ROOT (S (NP (DT These) (NNS measurements)) (VP (VBP are) (PP (IN for) (NP (DT the) (NNP Taj) (NNP Mahal)))) (. .)))