If every n pieces of goods are a bundle, every n bundles of goods are a pack, every n packs of goods are a bundle, every n bundles are a bag, every n bags of goods are a box, and every n boxes of goods are packed into a car. It is known that a car plus a box plus a bag plus a bundle plus a bag plus a bundle plus a total of 137257 pieces of goods, find the value of n.
如果每n件货物为一扎，每n扎货物为一包，每n包货物为一捆，每n捆为一袋，每n袋货物为一箱，每n箱货物装一车．已知一车加一箱加一袋加一捆加一包加一扎加一件货物共用137257件，求n的值．
<result>7</result>