The surface area of a cuboid is 67.92 decimeters, the area of the base is 19 decimeters, and the perimeter of the base is 17.6 decimeters. What is the volume of the cuboid?
一个长方体的表面积是67.92平方分米，底面积是19平方分米，底面周长是17.6分米，这个长方体的体积是多少立方分米？
<gadget id="calculator">19 * 2</gadget>
<output>38</output>

<gadget id="calculator">67.92 - 38</gadget>
<output>29.92</output>

<gadget id="calculator">29.92 / 17.6</gadget>
<output>1.7</output>

<gadget id="calculator">19 * 1.7</gadget>
<output>32.3</output>

<result>32.3</result>