A conical steel part has a base area of 30 cm2 and a height of 18 cm. It is known that steel weighs 7.8 grams per cubic centimeter, how many grams does this part weigh?
一个圆锥形的钢制零件的底面积是30平方厘米，高是18厘米．已知每立方厘米钢重7.8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">(1/3) * 30 * 18 * 7.8</gadget>
<output>1_404</output>

<result>1_404</result>