If a cylinder and a cone have the same base and height, and the sum of their volumes is 1256 cubic meters, what is the volume of the cylinder in cubic decimeters?
如果一个圆柱体和一个圆锥体等底等高，它们的体积之和是1256立方米，则圆柱体的体积是多少立方分米．
<gadget id="calculator">1_256 / 4</gadget>
<output>314</output>

<gadget id="calculator">314 * 3 * 1_000</gadget>
<output>942_000</output>

<result>942_000</result>