cylindrical glass with a measured inner diameter of 8cm and a depth of 12cm for liquid medicine, which accounts for exactly 60% of the inner volume of the glass. What is the volume of this glass in milliliters?
一只圆柱形的玻璃杯，测得内径是8cm，内装药水的深度是12cm，正好占杯内容积的60%，这个玻璃杯的容积是多少毫升？
<gadget id="calculator">8 / 2</gadget>
<output>4</output>

<gadget id="calculator">4 ** 2</gadget>
<output>16</output>

<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">12 / (3/5)</gadget>
<output>20</output>

<gadget id="calculator">3.14 * 16 * 20</gadget>
<output>1_004.8</output>

<result>1_004.8</result>