A cuboid whose length is 8 cm, width is half the length, and height is half the width, what is its surface area?
一个长方体，长是8厘米，宽是长的一半，高是宽的一半，它的表面积是多少？
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

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

<gadget id="calculator">8 * 4</gadget>
<output>32</output>

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

<gadget id="calculator">8 * 2</gadget>
<output>16</output>

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

<gadget id="calculator">32 + 16 + 8</gadget>
<output>56</output>

<gadget id="calculator">56 * 2</gadget>
<output>112</output>

<result>112</result>