A cuboid iron block whose length, width, and height are 10cm, 5cm, and 5cm respectively and a cube iron block whose edge length is 4cm are melted and forged into a cylinder with a base diameter of 20cm. Find the height of the cylinder. (π takes 3.14)
一块长、宽、高分别为10cm、5cm、5cm的长方体铁块和一块棱长为4cm的正方体铁块，熔锻成一个圆柱体，其底面直径为20cm，试求圆柱体的高．(π取3.14)
<gadget id="calculator">10 * 5 * 5</gadget>
<output>250</output>

<gadget id="calculator">4 * 4 * 4</gadget>
<output>64</output>

<gadget id="calculator">250 + 64</gadget>
<output>314</output>

<gadget id="calculator">20 / 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 / 314</gadget>
<output>1</output>

<result>1</result>