It is 25.08 square meters.
270 square feet
270 Square Feet.
if you find the prime factors it makes the number easier to multiple. first make prime factor trees for each of the numbers. i did 18x15. 18 could have 3, 3 and 2 and 15 could have 3 and 5. then the sum could be: 5x2=10x3=30x3=90x3=270 hope this helps. if you are not sure, look up prime factor trees first.