If the three sides of an equilateral triangle are respectively extended (1/3), the area of the new triangle obtained is increased by what percentage compared to the original one?
将一个等边三角形的三条边分别延长(1/3)，得到的新三角形的面积比原来增加了几分之几？
<gadget id="calculator">7 / 16</gadget>
<output>7/16 = around 0.4375</output>

<gadget id="calculator">(7/16) * 2</gadget>
<output>7/8 = around 0.875</output>

<result>7/8 = around 0.875</result>