Obviously use a 160cm long iron wire to make a cuboid frame according to the ratio of length, width and height of 3:1:4 (the joints are ignored), what is the volume of this cuboid?
明明用一根160cm长的铁丝按3：1：4的长、宽、高之比做了一个长方体框架(接头处忽略不计)，这个长方体的体积是多少．
<gadget id="calculator">160 / 4</gadget>
<output>40</output>

<gadget id="calculator">3 + 1 + 4</gadget>
<output>8</output>

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">40 * (3/8)</gadget>
<output>15</output>

<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">40 * (1/8)</gadget>
<output>5</output>

<gadget id="calculator">4 / 8</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">40 * (1/2)</gadget>
<output>20</output>

<gadget id="calculator">15 * 5 * 20</gadget>
<output>1_500</output>

<result>1_500</result>