A farm has a conical grain pile with a bottom circumference of 15.7 meters and a height of 2.4 meters. It needs to be put into a cylindrical grain storage bin with a diameter of 4 meters due to the rapid rain. The height of the grain in the grain storage bin should be How much rice?
某农场有一圆锥形粮堆，其底面周长为15.7米，高为2.4米，因天快下雨需要把它装入直径为4米的圆柱形储粮仓，该储粮仓内粮食的高度应为多少米？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">15.7 / 3.14 / 2</gadget>
<output>2.5</output>

<gadget id="calculator">2.5 ** 2</gadget>
<output>6.25</output>

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

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

<gadget id="calculator">3.14 * 4</gadget>
<output>12.56</output>

<gadget id="calculator">2.4 / 12.56</gadget>
<output>0.191083</output>

<gadget id="calculator">(1/3) * 3.14 * 6.25 * 0.191083</gadget>
<output>1.250001</output>

<result>1.250001</result>