A conical sand pile has a base diameter of 20m and a height of 2m. How many meters wide can be paved with this pile of sand on a road with a length of 1256m and a thickness of 10cm?
一个圆锥形的沙堆，底面直径是20m，高是2m．用这堆沙铺在一个长1256m，厚10cm的路面上，可以铺几米宽？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">20 / 2</gadget>
<output>10</output>

<gadget id="calculator">10 ** 2</gadget>
<output>100</output>

<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1_256 * (1/10)</gadget>
<output>628/5 = around 125.6</output>

<gadget id="calculator">2 / (628/5)</gadget>
<output>5/314 = around 0.015924</output>

<gadget id="calculator">(1/3) * 3.14 * 100 * (5/314)</gadget>
<output>1.666667</output>

<result>1.666667</result>