A truckload of chemical fertilizers was transported away for the first time (2/7), and more transported for the second time than the first time (2/7). How much of the total was transported twice?
一车化肥，第一次运走了(2/7)，第二次比第一次多运了(2/7)．两次一共运走了几分之几？
<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>

<gadget id="calculator">1 + (2/7)</gadget>
<output>9/7 = around 1.285714</output>

<gadget id="calculator">(2/7) * (9/7)</gadget>
<output>18/49 = around 0.367347</output>

<gadget id="calculator">(18/49) + (2/7)</gadget>
<output>32/49 = around 0.653061</output>

<result>32/49 = around 0.653061</result>