The ratio of the length, width and height of a cuboid is 4:3:1, and the sum of the lengths of the sides is 64cm. What is its surface area?
一个长方体的长、宽、高长度之比是4：3：1，棱长总和是64cm，它的表面积是多少？
<gadget id="calculator">64 / 4</gadget>
<output>16</output>

<gadget id="calculator">4 + 3 + 1</gadget>
<output>8</output>

<gadget id="calculator">4 / 8</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">16 * (1/2)</gadget>
<output>8</output>

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">16 * (3/8)</gadget>
<output>6</output>

<gadget id="calculator">8 * 6</gadget>
<output>48</output>

<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">16 * (1/8)</gadget>
<output>2</output>

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

<gadget id="calculator">6 * 2</gadget>
<output>12</output>

<gadget id="calculator">48 + 16 + 12</gadget>
<output>76</output>

<gadget id="calculator">76 * 2</gadget>
<output>152</output>

<result>152</result>