The length of a cuboid is 10 cm, the width is 4/5 of the length, and the height is 1/2 of the width. What is the surface area of the cuboid in square centimeters?
一个长方体的长是10厘米、宽是长的(4/5)，高是宽的(1/2)，长方体的表面积是多少平方厘米．
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">10 * 10 * (4/5)</gadget>
<output>80</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">10 * 10 * (4/5) * (1/2)</gadget>
<output>40</output>

<gadget id="calculator">10 * (4/5) * 10 * (4/5) * (1/2)</gadget>
<output>32</output>

<gadget id="calculator">80 + 40 + 32</gadget>
<output>152</output>

<gadget id="calculator">152 * 2</gadget>
<output>304</output>

<result>304</result>