A pile of chess pieces, take out all (1/2), and then take out the rest (1/2), a total of 24 pieces are taken out, how many pieces are left.
一堆棋子，线取出全部的(1/2)，再取出剩下的(1/2)，共取出了24枚棋子，还剩棋子多少枚．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 - (1/2)</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/2) * (1/2)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/2) + (1/4)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">24 / (3/4)</gadget>
<output>32</output>

<gadget id="calculator">32 - 24</gadget>
<output>8</output>

<result>8</result>