Cut a 200cm long iron wire and weld it into a cuboid model frame. The ratio of length, width and height is 5:3:2. Find the volume of the cuboid.
用一根长200cm的铁丝剪断后焊成一个长方体模型框架，长、宽、高的比是5：3：2，求长方体的体积．
<gadget id="calculator">200 / 4</gadget>
<output>50</output>

<gadget id="calculator">5 + 3 + 2</gadget>
<output>10</output>

<gadget id="calculator">5 / 10</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">2 / 10</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">50 * (1/2) * 50 * (3/10) * 50 * (1/5)</gadget>
<output>3_750</output>

<result>3_750</result>