The perimeter of the base of cylinder A is twice that of cylinder B, the height of cylinder B is 1/3 of that of cylinder A, and the volume of cylinder B is equal to that of cylinder A.
甲圆柱底面周长是乙圆柱的2倍，乙圆柱的高是甲圆柱的(1/3)，乙圆柱的体积是甲圆柱的多少．
<gadget id="calculator">1 / 12</gadget>
<output>1/12 = around 0.083333</output>

<result>1/12 = around 0.083333</result>