cuboid is 4 meters long, 4 meters wide, and 1.5 meters high. What is the surface area of the cuboid?
一个长方体长4米，宽4米，高1.5米，这个长方体的表面积是多少？
<gadget id="calculator">4 * 4</gadget>
<output>16</output>

<gadget id="calculator">4 * 1.5</gadget>
<output>6</output>

<gadget id="calculator">16 + 6 + 6</gadget>
<output>28</output>

<gadget id="calculator">28 * 2</gadget>
<output>56</output>

<result>56</result>