A cuboid is made with a piece of iron wire with a length of 80 cm. The ratio of the length, width and height of the cuboid is 4:3:1. What is the volume of this cuboid in cubic centimeters?
用一根长是80厘米的铁丝做一个长方体，长方体的长、宽和高的比是4：3：1．这个长方体的体积是多少立方厘米．
<gadget id="calculator">80 / 4</gadget>
<output>20</output>

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

<gadget id="calculator">20 / 8</gadget>
<output>5/2 = around 2.5</output>

<gadget id="calculator">(5/2) * 4</gadget>
<output>10</output>

<gadget id="calculator">(5/2) * 3</gadget>
<output>15/2 = around 7.5</output>

<gadget id="calculator">10 * (5/2) * (15/2)</gadget>
<output>375/2 = around 187.5</output>

<result>375/2 = around 187.5</result>