The sum of the edge lengths of a cuboid is 280 decimeters, length: width = 2: 3, width: height = 4: 5, then what is the volume of the cuboid.
一个长方体的棱长总和是280分米，长：宽=2：3，宽：高=4：5，那么这个长方体的体积是多少．
<gadget id="calculator">280 / 4</gadget>
<output>70</output>

<gadget id="calculator">8 + 12 + 15</gadget>
<output>35</output>

<gadget id="calculator">8 / 35</gadget>
<output>8/35 = around 0.228571</output>

<gadget id="calculator">70 * (8/35)</gadget>
<output>16</output>

<gadget id="calculator">12 / 35</gadget>
<output>12/35 = around 0.342857</output>

<gadget id="calculator">70 * (12/35)</gadget>
<output>24</output>

<gadget id="calculator">70 - 16 - 24</gadget>
<output>30</output>

<gadget id="calculator">16 * 24 * 30</gadget>
<output>11_520</output>

<result>11_520</result>