The area of a piece of paper is (4/7) square meters. After folding it in half three times, what is the area of one of them in square meters?
一张纸的面积是(4/7)平方米，对折三次后，其中1份的面积是多少平方米．
<gadget id="calculator">4 / 7</gadget>
<output>4/7 = around 0.571429</output>

<gadget id="calculator">2 * 2 * 2</gadget>
<output>8</output>

<gadget id="calculator">(4/7) / 8</gadget>
<output>1/14 = around 0.071429</output>

<result>1/14 = around 0.071429</result>