A cylinder is 2 decimeters high and looks like a square when viewed from the front. What is the volume of this cylinder in cubic decimeters?
一个圆柱高2分米，从正面看是一个正方形，这个圆柱的体积是多少立方分米？
<gadget id="calculator">2 / 2</gadget>
<output>1</output>

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

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

<result>6.28</result>