A conical rice pile measures 15 decimeters in height and 12 meters in circumference at the bottom. If each cubic meter of rice weighs 510 kilograms, how much does the pile of rice weigh in total? (π takes an approximate value of 3)
一个圆锥体稻谷堆，测得高15分米，底面周长12米．如果每立方米稻谷重510千克，这堆稻谷共重多少千克？(π取近似值3)
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">12 / 3 / 2</gadget>
<output>2</output>

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

<gadget id="calculator">(1/3) * 3 * 4 * 1.5</gadget>
<output>6</output>

<gadget id="calculator">510 * 6</gadget>
<output>3_060</output>

<result>3_060</result>