The length of rectangle is thrice its breadth and its perimeter is 72 m, find the area of the rectangle?  Choose the most appropriate option
A) 432
B) 376
C) 299
D) 324
E) 111
2(3x + x) = 72   l = 36 b = 9   lb = 36 * 9= 
<gadget id="calculator">36 * 9</gadget>
<output>324</output>
324   324
<result>D</result>
The length of rectangle is thrice its breadth and its perimeter is 72 m, find the area of the rectangle?