A cylinder and a cone have the same base and height, and the sum of their volumes is 12.56cm**3. The diameter of the base of the cone is 2 cm, what is its height in cm?
一个圆柱和一个圆锥等底等高，它们的体积之和是12.56cm**3．圆锥的底面直径是2cm，那么它的高应该是多少厘米？
<gadget id="calculator">1 + 3</gadget>
<output>4</output>

<gadget id="calculator">12.56 / 4</gadget>
<output>3.14</output>

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

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

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

<gadget id="calculator">3 * 3.14</gadget>
<output>9.42</output>

<result>9.42</result>