There is a conical sand pile on the construction site. The measured circumference of the bottom surface is 12.56 meters and the height is 1.5 meters. Each cubic meter of sand weighs about 1.7 tons. How many tons does this pile of sand weigh?
工地上有一个近似圆锥的砂堆，测得底面周长为12.56米，高为1.5米，每立方米砂大约重1.7吨，这堆砂大约重多少吨？
<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">6.28 * 1.7</gadget>
<output>10.676</output>

<result>10.676</result>