A conical part has a base area of 40 square centimeters and a height of 6 cm. Steel is 7.8 grams per cubic centimeter. How many grams does this part weigh?
一个圆锥形零件，底面积40平方厘米，高6厘米，每立方厘米钢是7.8克，这个零件有多少克？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(1/3) * 40 * 6 * 7.8</gadget>
<output>624</output>

<result>624</result>