A cuboid steel is 3.5m long and 2dm wide and high. What is the volume of this steel in cubic meters?
一根长方体钢材，长3.5m，宽和高都是2dm，这根钢材的体积是多少立方米？
<gadget id="calculator">2 / 10</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">3.5 * (1/5) * (1/5)</gadget>
<output>0.14</output>

<result>0.14</result>