A conical pile of sand has a diameter of 10 meters at the bottom and a height of 6 meters. If each cubic meter of sand weighs 1.7 tons, how many tons of sand are there in total?
一个圆锥形沙堆，底面直径是10米，高是6米，如果每立方米沙子重1.7吨，这堆沙子共有多少吨？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">10 / 2</gadget>
<output>5</output>

<gadget id="calculator">5 ** 2</gadget>
<output>25</output>

<gadget id="calculator">(1/3) * 3.14 * 25 * 6</gadget>
<output>157</output>

<gadget id="calculator">1.7 * 157</gadget>
<output>266.9</output>

<result>266.9</result>