There are two piles of chess pieces. After taking out its (1/8) from the first pile and putting it in the second pile, the two piles have the same number of chess pieces. It turns out that the second pile of chess pieces is the first pile ((())/(())) ．
有两堆棋子．从第一堆中拿出它的(1/8)放到第二堆后，两堆棋子就同样多了，原来第二堆棋子是第一堆的((())/(()))．
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">1 - (1/8) - (1/8)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(3/4) / 1</gadget>
<output>3/4 = around 0.75</output>

<result>3/4 = around 0.75</result>