Mary answered 93 problems correctly out of 100 how many did she miss

Ablock of wood is a cube whose side is x in. long. you cut off a 1-inch thick piece from the entire right side. then you cut off a 3-inch thick piece from the entire top of the remaining shape. the volume of the remaining block is 2,002 in3. what are the dimensions of the original block of wood?

Plz heeeeeeelp plz give me the answer

Hi, can anyone show me how to do this problem? 100 points for this. in advance