The volume of a cone is 15.7 cubic decimeters, the circumference of the base is 6.28 decimeters, and the height is in meters.
一个圆锥的体积是15.7立方分米，底面周长是6.28分米，高是多少米．
<gadget id="calculator">15.7 / 3.14</gadget>
<output>5</output>

<gadget id="calculator">6.28 / 3.14 / 2</gadget>
<output>1</output>

<gadget id="calculator">1 ** 2</gadget>
<output>1</output>

<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">5 * 1 * (3/10)</gadget>
<output>3/2 = around 1.5</output>

<result>3/2 = around 1.5</result>