A cone-shaped rice pile has a circumference of 12.56 meters and a height of 1.5 meters. Put this pile of rice into a cylindrical granary and it will be full. What is the volume of this granary in cubic meters?
一个圆锥形的稻谷堆，底面周长是12.56米，高是1.5米，把这堆稻谷装进一个圆柱形粮仓，正好装满．这个粮仓的容积是多少立方米？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">12.56 / 3.14 / 2</gadget>
<output>2</output>

<gadget id="calculator">2 ** 2</gadget>
<output>4</output>

<gadget id="calculator">(1/3) * 3.14 * 4 * 1.5</gadget>
<output>6.28</output>

<result>6.28</result>