The volume of a cylinder is 6.28 cubic decimeters, and the radius of the base is 1 decimeter. What is the height of the cylinder?
一个圆柱的体积是6.28立方分米，底面半径是1分米，这个圆柱的高是多少分米．
<gadget id="calculator">1 ** 2</gadget>
<output>1</output>

<gadget id="calculator">3.14 * 1</gadget>
<output>3.14</output>

<gadget id="calculator">6.28 / 3.14</gadget>
<output>2</output>

<result>2</result>