A cuboid whose length is 1.6 cm, whose width is half the length, and whose height is half the width, what is its surface area?
一个长方体，长是1.6厘米，宽是长的一半，高是宽的一半的一半，它的表面积是多少？
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1.6 * (1/2)</gadget>
<output>0.8</output>

<gadget id="calculator">1.6 * 0.8</gadget>
<output>1.28</output>

<gadget id="calculator">0.8 * (1/2) * (1/2)</gadget>
<output>0.2</output>

<gadget id="calculator">1.6 * 0.2</gadget>
<output>0.32</output>

<gadget id="calculator">0.8 * 0.2</gadget>
<output>0.16</output>

<gadget id="calculator">1.28 + 0.32 + 0.16</gadget>
<output>1.76</output>

<gadget id="calculator">1.76 * 2</gadget>
<output>3.52</output>

<result>3.52</result>