A stone is sunk in a cylindrical container with a bottom circumference of 62.8 cm. The water level in the container rises by 1.5 cm. What is the volume of the stone in cubic centimeters?
把一块石头，沉没在一个底面周长是62.8厘米的圆柱形容器里，容器的水面上升了1.5厘米，这块石头的体积是多少立方厘米．
<gadget id="calculator">62.8 / 3.14 / 2</gadget>
<output>10</output>

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

<gadget id="calculator">3.14 * 100</gadget>
<output>314</output>

<gadget id="calculator">314 * 1.5</gadget>
<output>471</output>

<result>471</result>