A piece of steel with a mass of 156g is cast into a conical part with a base area of 12cm**2. What is the height of the conical part in centimeters? (The mass of this steel is 7.8g per cubic centimeter)
将一块质量为156g的钢材铸成一个底面积是12cm**2的圆锥形零件，这个圆锥形零件的高是多少厘米？(这种钢材每立方厘米的质量为7.8g)
<gadget id="calculator">156 / 7.8</gadget>
<output>20</output>

<gadget id="calculator">3 / 12</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">20 * (1/4)</gadget>
<output>5</output>

<result>5</result>