Dad gave half of a plate of candy to his brother and the remaining half to his sister. At this time, there were 8 pieces left on the plate. How many pieces were there?
爸爸把一盘糖果的一半给了弟弟，把剩下的一半给了姐姐，这时盘里还剩8块，盘里原来有几块？
<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 - (1/2) - (1/4)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">8 / (1/4)</gadget>
<output>32</output>

<result>32</result>