In a cuboid container with a length of 31.4 decimeters and a width of 15 decimeters, put a conical part with a base radius of 5 decimeters and a height of 27 decimeters, and then fill the container with water. When the conical part is taken out, how many decimeters will the water level drop?
在一个长31.4分米，宽15分米的长方体容器中，放入一个底面半径是5分米，高27分米的圆锥形零件后，再在这个容器中放满水．当把这个圆锥形零件取出后，水面会下降几分米？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">5 ** 2</gadget>
<output>25</output>

<gadget id="calculator">31.4 * 15</gadget>
<output>471</output>

<gadget id="calculator">27 / 471</gadget>
<output>9/157 = around 0.057325</output>

<gadget id="calculator">(1/3) * 3.14 * 25 * (9/157)</gadget>
<output>1.5</output>

<result>1.5</result>