There is an approximately conical pile of rice with a base radius of 3 meters and a height of 1.5 meters. This pile of rice is placed in a rectangular container with a length of 4 meters and a width of 2.5 meters. What is the height of the rice in the container?
有一个近似圆锥形米堆，底面半径为3米，高1.5米，把这堆米放在长4米，宽2.5米的长方体容器中，容器中米的高度是多少？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">3 ** 2</gadget>
<output>9</output>

<gadget id="calculator">4 * 2.5</gadget>
<output>10</output>

<gadget id="calculator">1.5 / 10</gadget>
<output>0.15</output>

<gadget id="calculator">(1/3) * 3.14 * 9 * 0.15</gadget>
<output>1.413</output>

<result>1.413</result>