A conical object has a base radius of 3 cm and a height of 10 cm. A block of iron weighs about 8 grams per cubic centimeter. How many grams does this part weigh?
一个圆锥形零件，底面半径3厘米，高10厘米．每立方厘米铁块约重8克，这个零件重多少克？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

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

<gadget id="calculator">(1/3) * 3.14 * 9 * 10 * 8</gadget>
<output>753.6</output>

<result>753.6</result>