After a cube container with a side length of 6 decimeters is filled with water, the water is poured into a conical container with the same bottom and height, how many liters of water are left in the cube container after filling.
一个棱长是6分米的正方体容器装满水后，将水倒入一个等底、等高的圆锥形容器中，倒满后正方体容器中还剩多少升水．
<gadget id="calculator">6 * 6 * 6</gadget>
<output>216</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(1/3) * 6 * 6 * 6</gadget>
<output>72</output>

<gadget id="calculator">216 - 72</gadget>
<output>144</output>

<result>144</result>