A conical pile of sand is 1.5 meters high and has a base radius of 2 meters. Each cubic meter of sand weighs about 1.7 tons. How many tons does this pile of sand weigh?
一个圆锥形沙堆，高是1.5米，底面半径为2米，每立方米沙约重1.7吨，这堆沙约重多少吨？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</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">1.7 * 6.28</gadget>
<output>10.676</output>

<result>10.676</result>