Two cylindrical ingots with a base radius of 10 cm and a height of 5 cm are melted and cast into a conical ingot with a base area of 157 cm2. What is the height of the conical ingot in cm?
将两个底面半径是10厘米，高是5厘米的圆柱体钢锭熔铸成一个底面积是157平方厘米的圆锥形钢锭，这个圆锥形钢锭的高是多少厘米？
<gadget id="calculator">3.14 * 10 * 10 * 5</gadget>
<output>1_570</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(1/3) * 157</gadget>
<output>157/3 = around 52.333333</output>

<gadget id="calculator">1_570 / (157/3)</gadget>
<output>30</output>

<result>30</result>