Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to measure a roll of carpet [title] Measure and record the diameter of the entire roll of carpet in inches. [title] Measure and record the diameter of the hole in the center of the carpet roll in inches. [title] Measure and record the thickness of the carpet in inches.

Ending1: [title] Look at the seam between the carpet and the ground and measure and record the length in inches. [title] Open the roll of carpet in inches. Ending2: [title] Find the area of the entire roll of carpet. [step] Separately, find the area of the hole in the center of the roll. Ending3: [step] Sometimes carpet will look too thin, so record this and change your measurement as necessary. [title] Measure and record the width of the roll of carpet, connecting seams in inches. Ending4: [title] Measure and record the width of the roll of carpet in inches. [title] Measure and record the depth of each hole in the center of the carpet roll.

Answer format: ending1/ending2/ending3/ending4