A rectangular steel column with a length of 31.4cm, a width of 24cm and a height of 5cm is cast into a cylindrical steel bar with a bottom of 5cm. How many meters is the steel bar long?
一块长31.4cm、宽24cm、高5cm的长方形钢柱，把它铸造成一根底面是5cm的圆柱形钢筋．钢筋长多少米？
<gadget id="calculator">376.8 / 78.5 / 100</gadget>
<output>0.048</output>

<result>0.048</result>