The diameter of the bottom surface of a cylinder is equal to the radius of the bottom surface of cylinder B, and the height of A is three times that of B, so the lateral area of A is ((())/(())) of B.
甲圆柱体的底面直径与乙圆柱体的底面半径相等，甲的高是乙的3倍，则甲的侧面积是乙的((())/(()))．
<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>

<result>3/2 = around 1.5</result>