cylindrical pool has a base diameter of 2 meters measured from the inside, and the ratio of the height to the base diameter is 3:4. What is the volume of this pool in cubic meters?
一个圆柱形水池，从里面量底面直径是2米，高的长度与底面直径的比是3：4．这个水池的容积是多少立方米？
<gadget id="calculator">2 / 2</gadget>
<output>1</output>

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

<gadget id="calculator">2 / 4</gadget>
<output>1/2 = around 0.5</output>

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

<gadget id="calculator">3.14 * 1 * (3/2)</gadget>
<output>4.71</output>

<result>4.71</result>