The sum of the edge lengths of a cuboid is 56cm, the length is 7cm, and the width is 4cm. Find its volume in cm**3.
一个长方体的棱长总和是56cm，长7cm，宽4cm，求它的体积是多少cm**3．
<gadget id="calculator">56 / 4</gadget>
<output>14</output>

<gadget id="calculator">7 + 4</gadget>
<output>11</output>

<gadget id="calculator">14 - 11</gadget>
<output>3</output>

<gadget id="calculator">7 * 4 * 3</gadget>
<output>84</output>

<result>84</result>