Math

Need to figure out surface area of 144 times larger than 1928^2.

SA=1928in^2

Answer in feet^2.

My equation is SA = (1928in^2) (144^2)
= 1928 x 20736
= 39,979,008 / 12in^2
= 3,331,584 ft^2

the correct answer is 251,712ft^2


can't seem to get it..........
Thanks

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