There is a cylindrical steel material with a bottom diameter of 6 cm and a length of 10 cm. It is necessary to cut it into a conical part with the same height as its base. How many cubic centimeters of steel will be removed?
有一根底面直径是6厘米，长是10厘米的圆柱形钢材，要把它削成与它等底等高的圆锥形零件．要削去钢材多少立方厘米？
<gadget id="calculator">6 / 2</gadget>
<output>3</output>

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

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 - (1/3)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">3.14 * 9 * 10 * (2/3)</gadget>
<output>188.4</output>

<result>188.4</result>