The volume of a cylindrical bucket is 28.26 cubic decimeters, and the diameter of the inner bottom surface is 3 decimeters. When half a bucket of water is filled, how many decimeters is the water surface?
一个圆柱形水桶的容积是28.26立方分米，里面底面直径是3分米，装半桶水时，水面高是多少分米？
<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">(3/2) ** 2</gadget>
<output>9/4 = around 2.25</output>

<gadget id="calculator">3.14 * (9/4)</gadget>
<output>7.065</output>

<gadget id="calculator">28.26 / 7.065</gadget>
<output>4</output>

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

<gadget id="calculator">4 * (1/2)</gadget>
<output>2</output>

<result>2</result>