To strengthen the greening in the Fumin Community, add (1/3) to the adjacent two sides of a rectangular lawn. By what percentage is the new lawn increased compared to the original area?
富民小区加强绿化，给一块长方形的草坪相邻的两边各增加(1/3)，所得的新草坪比原来的面积增加了几分之几？
<gadget id="calculator">16 / 9</gadget>
<output>16/9 = around 1.777778</output>

<gadget id="calculator">(16/9) - 1</gadget>
<output>7/9 = around 0.777778</output>

<result>7/9 = around 0.777778</result>