i need to know what i have to enter in vaule and units

Part A Answer the following question by entering the numeric value with appropriate units. If the length of one side of a square is 12.0 m what is the perimeter of the square? Express the perimeter with the appropriate units. View Available Hint(s ? % x perimeter = Value Units Submit Previous Answers Request Answer * Incorrect; Try Again; 2 attempts remaining Enter your answer using units of distance