The sum of the edge lengths of a cuboid is 120 meters, and the ratio of length, width and height is 1:2:3. Find the volume of this cuboid?
一个长方体的棱长和是120米，长、宽、高的比是1：2：3，求这个长方体的体积？
<gadget id="calculator">120 / 4</gadget>
<output>30</output>

<gadget id="calculator">1 + 2 + 3</gadget>
<output>6</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">30 * (1/6)</gadget>
<output>5</output>

<gadget id="calculator">2 / 6</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">30 * (1/3)</gadget>
<output>10</output>

<gadget id="calculator">3 / 6</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">30 * (1/2)</gadget>
<output>15</output>

<gadget id="calculator">5 * 10 * 15</gadget>
<output>750</output>

<result>750</result>