A conical iron block with a height of 12 cm is melted and cast into a cylinder with the same base, what is the height?
一个高12厘米的圆锥形铁块，把它熔铸成等底的圆柱，高是多少．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(1/3) * 12</gadget>
<output>4</output>

<result>4</result>