A cylindrical water cup has an inner diameter of 6 cm. The cup is filled with 8 cm deep water, which occupies exactly (2/3) the volume of the cup. How many milliliters of water can be added to the cup?
一只圆柱形的水杯，内直径是6厘米，杯中装有8厘米深的水，恰好占杯子容积的(2/3)，杯内还可以加入多少毫升的水？
<gadget id="calculator">6 / 2</gadget>
<output>3</output>

<gadget id="calculator">3 ** 2</gadget>
<output>9</output>

<gadget id="calculator">3.14 * 9 * 8</gadget>
<output>226.08</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">226.08 / (2/3)</gadget>
<output>339.12</output>

<gadget id="calculator">1 - (2/3)</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">339.12 * (1/3)</gadget>
<output>113.04</output>

<result>113.04</result>