Answer:
Write it down into the 'Ask your question' tool.
Explanation:
Under the "What do you need to know?" click/tap the 'Ask your question' button, it will open up a box, and you should write as follows:
1. How many square yards of carpet will be needed for a 12 ft by 9 ft room?
2. How many square yards of carpet will be needed for a 21 ft by 15 ft room?
Good luck!