There are 12 chess pieces, take out (1/2) of them, how many pieces are taken out.
有12个棋子，拿出其中的(1/2)，拿出了多少个．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">12 * (1/2)</gadget>
<output>6</output>

<result>6</result>