There are 8 small cubes in a pile, take out (1/2) of this pile of cubes, how many small cubes are taken out.
一堆小正方体有8个，拿出这堆正方体的(1/2)，拿出多少个小正方体．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">8 * (1/2)</gadget>
<output>4</output>

<result>4</result>