What is the least number, which is perfect square but contains 2700 as its factor?	Choose the correct choice:
A) 8100 B) 10900 C) 54000 D) 2500 E) 2700
900 * 3 * 3= 
<gadget id="calculator">900 * 3 * 3</gadget>
<output>8_100</output>
8100   8100NSWER 8100
<result>A</result>
What is the least number, which is perfect square but contains 2700 as its factor?