There is a granary with a cone on top and a cylinder on the bottom. It is known that the circumference of the bottom of the cylinder is 18.84 meters, the height is 4 meters, and the height of the cone is 1 meter. What is the volume of the granary in cubic meters?
有一个粮仓，它们上面是圆锥体，下面是圆柱体，已知圆柱的底面周长是18.84米，高为4米，圆锥的高是1米，则这个粮仓的体积是多少立方米？
<gadget id="calculator">18.84 / 3.14 / 2</gadget>
<output>3</output>

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

<gadget id="calculator">3.14 * 9 * 4</gadget>
<output>113.04</output>

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

<gadget id="calculator">3.14 * 9 * 1 * (1/3)</gadget>
<output>9.42</output>

<gadget id="calculator">113.04 + 9.42</gadget>
<output>122.46</output>

<result>122.46</result>