The base of a cuboid is a square with a perimeter of 32 cm and a height of 10 cm. Find its surface area.
一个长方体的底面是周长为32厘米的正方形，它的高是10厘米，求它的表面积．
<gadget id="calculator">32 / 4</gadget>
<output>8</output>

<gadget id="calculator">8 * 8</gadget>
<output>64</output>

<gadget id="calculator">8 * 10</gadget>
<output>80</output>

<gadget id="calculator">64 + 80 + 80</gadget>
<output>224</output>

<gadget id="calculator">224 * 2</gadget>
<output>448</output>

<result>448</result>