The volume of a cylinder is 314cm**3, the diameter of the base is 10cm, what is its height in centimeters?
一个圆柱的体积是314cm**3，底面直径是10cm，它的高是多少厘米？
<gadget id="calculator">10 / 2</gadget>
<output>5</output>

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

<gadget id="calculator">3.14 * 25</gadget>
<output>78.5</output>

<gadget id="calculator">314 / 78.5</gadget>
<output>4</output>

<result>4</result>