A conical rice pile with a measured height of 15 decimeters and a circumference of 12.56 meters at the bottom. If each cubic meter of rice weighs 510 kilograms, how many tons does this pile of rice weigh? (π is taken as 3.14, and the result is kept to one decimal place)
一个圆锥体稻谷堆，测得高15分米，底面周长12.56米．如果每立方米稻谷重510千克，这堆稻谷共重多少吨？(π取3.14，得数保留一位小数)
<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>

<gadget id="calculator">510 * 6.28</gadget>
<output>3_202.8</output>

<result>3_202.8</result>