A conical steel part has a base diameter of 10 cm and a height of diameter (4/5). If each cubic centimeter of steel weighs 7.8 grams, how many grams does this part weigh?
一个圆锥体钢质零件，它的底面直径是10厘米，高是直径的(4/5)．如果每立方厘米的钢材重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">10 / 2</gadget>
<output>5</output>

<gadget id="calculator">5 ** 2</gadget>
<output>25</output>

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">(1/3) * 3.14 * 25 * 10 * (4/5) * 7.8</gadget>
<output>1_632.8</output>

<result>1_632.8</result>