A pile of chess pieces has two colors, black and white, among which black pieces account for (6/17), if 14 white pieces are taken away, then black pieces account for (4/9), then how many pieces are there in this pile?
一堆棋子有黑、白两种颜色，其中黑子占(6/17)，若取走14枚白子，这时黑子占(4/9)，那么，这堆棋子原来有多少枚？
<gadget id="calculator">17 - 6</gadget>
<output>11</output>

<gadget id="calculator">11 / 6</gadget>
<output>11/6 = around 1.833333</output>

<gadget id="calculator">9 - 4</gadget>
<output>5</output>

<gadget id="calculator">5 / 4</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">(11/6) - (5/4)</gadget>
<output>7/12 = around 0.583333</output>

<gadget id="calculator">14 / (7/12)</gadget>
<output>24</output>

<gadget id="calculator">6 / 17</gadget>
<output>6/17 = around 0.352941</output>

<gadget id="calculator">24 / (6/17)</gadget>
<output>68</output>

<result>68</result>