There are 2 residential buildings in Xinrong Community, each building has 3 units, and each unit has 12 floors. Each unit lives in two families on each floor. Please give the naughty house a house number and give an explanation.
欣荣小区有2栋住宅楼，每栋楼有3个单元，每单元有12层，每单元每层住两户人家，淘气家住第二栋楼房三单元4楼西户．请你给淘气家编一个门牌号并作解释．
<result>402</result>